18899790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 60673536

約数和(自身を除く): 41773746

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 43, 46, 49, 65, 69, 70, 78, 86, 91, 98, 105, 115, 129, 130, 138, 147, 161, 182, 195, 210, 215, 230, 245, 258, 273, 294, 299, 301, 322, 345, 390, 430, 455, 483, 490, 546, 559, 598, 602, 637, 645, 690, 735, 805, 897, 903, 910, 966, 989, 1118, 1127, 1274, 1290, 1365, 1470, 1495, 1505, 1610, 1677, 1794, 1806, 1911, 1978, 2093, 2107, 2254, 2415, 2730, 2795, 2967, 2990, 3010, 3185, 3354, 3381, 3822, 3913, 4186, 4214, 4485, 4515, 4830, 4945, 5590, 5635, 5934, 6279, 6321, 6370, 6762, 6923, 7826, 8385, 8970, 9030, 9555, 9890, 10465, 10535, 11270, 11739, 12558, 12642, 12857, 13846, 14651, 14835, 16770, 16905, 19110, 19565, 20769, 20930, 21070, 23478, 25714, 27391, 29302, 29670, 31395, 31605, 33810, 34615, 38571, 39130, 41538, 43953, 48461, 54782, 58695, 62790, 63210, 64285, 69230, 73255, 77142, 82173, 87906, 89999, 96922, 103845, 117390, 128570, 136955, 145383, 146510, 164346, 179998, 192855, 207690, 219765, 242305, 269997, 273910, 290766, 385710, 410865, 439530, 449995, 484610, 539994, 629993, 726915, 821730, 899990, 1259986, 1349985, 1453830, 1889979, 2699970, 3149965, 3779958, 6299930, 9449895, 18899790]

約数ペア:

[(1, 18899790), (2, 9449895), (3, 6299930), (5, 3779958), (6, 3149965), (7, 2699970), (10, 1889979), (13, 1453830), (14, 1349985), (15, 1259986), (21, 899990), (23, 821730), (26, 726915), (30, 629993), (35, 539994), (39, 484610), (42, 449995), (43, 439530), (46, 410865), (49, 385710), (65, 290766), (69, 273910), (70, 269997), (78, 242305), (86, 219765), (91, 207690), (98, 192855), (105, 179998), (115, 164346), (129, 146510), (130, 145383), (138, 136955), (147, 128570), (161, 117390), (182, 103845), (195, 96922), (210, 89999), (215, 87906), (230, 82173), (245, 77142), (258, 73255), (273, 69230), (294, 64285), (299, 63210), (301, 62790), (322, 58695), (345, 54782), (390, 48461), (430, 43953), (455, 41538), (483, 39130), (490, 38571), (546, 34615), (559, 33810), (598, 31605), (602, 31395), (637, 29670), (645, 29302), (690, 27391), (735, 25714), (805, 23478), (897, 21070), (903, 20930), (910, 20769), (966, 19565), (989, 19110), (1118, 16905), (1127, 16770), (1274, 14835), (1290, 14651), (1365, 13846), (1470, 12857), (1495, 12642), (1505, 12558), (1610, 11739), (1677, 11270), (1794, 10535), (1806, 10465), (1911, 9890), (1978, 9555), (2093, 9030), (2107, 8970), (2254, 8385), (2415, 7826), (2730, 6923), (2795, 6762), (2967, 6370), (2990, 6321), (3010, 6279), (3185, 5934), (3354, 5635), (3381, 5590), (3822, 4945), (3913, 4830), (4186, 4515), (4214, 4485)]