19485840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 67531392

約数和(自身を除く): 48045552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 121, 122, 132, 165, 176, 183, 220, 240, 242, 244, 264, 305, 330, 363, 366, 440, 484, 488, 528, 605, 610, 660, 671, 726, 732, 880, 915, 968, 976, 1210, 1220, 1320, 1331, 1342, 1452, 1464, 1815, 1830, 1936, 2013, 2420, 2440, 2640, 2662, 2684, 2904, 2928, 3355, 3630, 3660, 3993, 4026, 4840, 4880, 5324, 5368, 5808, 6655, 6710, 7260, 7320, 7381, 7986, 8052, 9680, 10065, 10648, 10736, 13310, 13420, 14520, 14640, 14762, 15972, 16104, 19965, 20130, 21296, 22143, 26620, 26840, 29040, 29524, 31944, 32208, 36905, 39930, 40260, 44286, 53240, 53680, 59048, 63888, 73810, 79860, 80520, 81191, 88572, 106480, 110715, 118096, 147620, 159720, 161040, 162382, 177144, 221430, 243573, 295240, 319440, 324764, 354288, 405955, 442860, 487146, 590480, 649528, 811910, 885720, 974292, 1217865, 1299056, 1623820, 1771440, 1948584, 2435730, 3247640, 3897168, 4871460, 6495280, 9742920, 19485840]

約数ペア:

[(1, 19485840), (2, 9742920), (3, 6495280), (4, 4871460), (5, 3897168), (6, 3247640), (8, 2435730), (10, 1948584), (11, 1771440), (12, 1623820), (15, 1299056), (16, 1217865), (20, 974292), (22, 885720), (24, 811910), (30, 649528), (33, 590480), (40, 487146), (44, 442860), (48, 405955), (55, 354288), (60, 324764), (61, 319440), (66, 295240), (80, 243573), (88, 221430), (110, 177144), (120, 162382), (121, 161040), (122, 159720), (132, 147620), (165, 118096), (176, 110715), (183, 106480), (220, 88572), (240, 81191), (242, 80520), (244, 79860), (264, 73810), (305, 63888), (330, 59048), (363, 53680), (366, 53240), (440, 44286), (484, 40260), (488, 39930), (528, 36905), (605, 32208), (610, 31944), (660, 29524), (671, 29040), (726, 26840), (732, 26620), (880, 22143), (915, 21296), (968, 20130), (976, 19965), (1210, 16104), (1220, 15972), (1320, 14762), (1331, 14640), (1342, 14520), (1452, 13420), (1464, 13310), (1815, 10736), (1830, 10648), (1936, 10065), (2013, 9680), (2420, 8052), (2440, 7986), (2640, 7381), (2662, 7320), (2684, 7260), (2904, 6710), (2928, 6655), (3355, 5808), (3630, 5368), (3660, 5324), (3993, 4880), (4026, 4840)]