18655910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 44271360

約数和(自身を除く): 25615450

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 83, 91, 95, 130, 133, 166, 169, 182, 190, 247, 266, 338, 415, 455, 494, 581, 665, 830, 845, 910, 1079, 1162, 1183, 1235, 1330, 1577, 1690, 1729, 2158, 2366, 2470, 2905, 3154, 3211, 3458, 5395, 5810, 5915, 6422, 7553, 7885, 8645, 10790, 11039, 11830, 14027, 15106, 15770, 16055, 17290, 20501, 22078, 22477, 28054, 32110, 37765, 41002, 44954, 55195, 70135, 75530, 98189, 102505, 110390, 112385, 140270, 143507, 196378, 205010, 224770, 266513, 287014, 490945, 533026, 717535, 981890, 1332565, 1435070, 1865591, 2665130, 3731182, 9327955, 18655910]

約数ペア:

[(1, 18655910), (2, 9327955), (5, 3731182), (7, 2665130), (10, 1865591), (13, 1435070), (14, 1332565), (19, 981890), (26, 717535), (35, 533026), (38, 490945), (65, 287014), (70, 266513), (83, 224770), (91, 205010), (95, 196378), (130, 143507), (133, 140270), (166, 112385), (169, 110390), (182, 102505), (190, 98189), (247, 75530), (266, 70135), (338, 55195), (415, 44954), (455, 41002), (494, 37765), (581, 32110), (665, 28054), (830, 22477), (845, 22078), (910, 20501), (1079, 17290), (1162, 16055), (1183, 15770), (1235, 15106), (1330, 14027), (1577, 11830), (1690, 11039), (1729, 10790), (2158, 8645), (2366, 7885), (2470, 7553), (2905, 6422), (3154, 5915), (3211, 5810), (3458, 5395)]