18711420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 49026180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 149, 156, 161, 182, 195, 210, 230, 260, 273, 276, 298, 299, 322, 345, 364, 390, 420, 447, 455, 460, 483, 546, 596, 598, 644, 690, 745, 780, 805, 894, 897, 910, 966, 1043, 1092, 1196, 1365, 1380, 1490, 1495, 1610, 1788, 1794, 1820, 1932, 1937, 2086, 2093, 2235, 2415, 2730, 2980, 2990, 3129, 3220, 3427, 3588, 3874, 4172, 4186, 4470, 4485, 4830, 5215, 5460, 5811, 5980, 6258, 6279, 6854, 7748, 8372, 8940, 8970, 9660, 9685, 10281, 10430, 10465, 11622, 12516, 12558, 13559, 13708, 15645, 17135, 17940, 19370, 20562, 20860, 20930, 23244, 23989, 25116, 27118, 29055, 31290, 31395, 34270, 38740, 40677, 41124, 41860, 44551, 47978, 51405, 54236, 58110, 62580, 62790, 67795, 68540, 71967, 81354, 89102, 95956, 102810, 116220, 119945, 125580, 133653, 135590, 143934, 162708, 178204, 203385, 205620, 222755, 239890, 267306, 271180, 287868, 311857, 359835, 406770, 445510, 479780, 534612, 623714, 668265, 719670, 813540, 891020, 935571, 1247428, 1336530, 1439340, 1559285, 1871142, 2673060, 3118570, 3742284, 4677855, 6237140, 9355710, 18711420]

約数ペア:

[(1, 18711420), (2, 9355710), (3, 6237140), (4, 4677855), (5, 3742284), (6, 3118570), (7, 2673060), (10, 1871142), (12, 1559285), (13, 1439340), (14, 1336530), (15, 1247428), (20, 935571), (21, 891020), (23, 813540), (26, 719670), (28, 668265), (30, 623714), (35, 534612), (39, 479780), (42, 445510), (46, 406770), (52, 359835), (60, 311857), (65, 287868), (69, 271180), (70, 267306), (78, 239890), (84, 222755), (91, 205620), (92, 203385), (105, 178204), (115, 162708), (130, 143934), (138, 135590), (140, 133653), (149, 125580), (156, 119945), (161, 116220), (182, 102810), (195, 95956), (210, 89102), (230, 81354), (260, 71967), (273, 68540), (276, 67795), (298, 62790), (299, 62580), (322, 58110), (345, 54236), (364, 51405), (390, 47978), (420, 44551), (447, 41860), (455, 41124), (460, 40677), (483, 38740), (546, 34270), (596, 31395), (598, 31290), (644, 29055), (690, 27118), (745, 25116), (780, 23989), (805, 23244), (894, 20930), (897, 20860), (910, 20562), (966, 19370), (1043, 17940), (1092, 17135), (1196, 15645), (1365, 13708), (1380, 13559), (1490, 12558), (1495, 12516), (1610, 11622), (1788, 10465), (1794, 10430), (1820, 10281), (1932, 9685), (1937, 9660), (2086, 8970), (2093, 8940), (2235, 8372), (2415, 7748), (2730, 6854), (2980, 6279), (2990, 6258), (3129, 5980), (3220, 5811), (3427, 5460), (3588, 5215), (3874, 4830), (4172, 4485), (4186, 4470)]