19076720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 51465456

約数和(自身を除く): 32388736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 83, 85, 104, 130, 136, 166, 169, 170, 208, 221, 260, 272, 332, 338, 340, 415, 442, 520, 664, 676, 680, 830, 845, 884, 1040, 1079, 1105, 1328, 1352, 1360, 1411, 1660, 1690, 1768, 2158, 2210, 2704, 2822, 2873, 3320, 3380, 3536, 4316, 4420, 5395, 5644, 5746, 6640, 6760, 7055, 8632, 8840, 10790, 11288, 11492, 13520, 14027, 14110, 14365, 17264, 17680, 18343, 21580, 22576, 22984, 28054, 28220, 28730, 36686, 43160, 45968, 56108, 56440, 57460, 70135, 73372, 86320, 91715, 112216, 112880, 114920, 140270, 146744, 183430, 224432, 229840, 238459, 280540, 293488, 366860, 476918, 561080, 733720, 953836, 1122160, 1192295, 1467440, 1907672, 2384590, 3815344, 4769180, 9538360, 19076720]

約数ペア:

[(1, 19076720), (2, 9538360), (4, 4769180), (5, 3815344), (8, 2384590), (10, 1907672), (13, 1467440), (16, 1192295), (17, 1122160), (20, 953836), (26, 733720), (34, 561080), (40, 476918), (52, 366860), (65, 293488), (68, 280540), (80, 238459), (83, 229840), (85, 224432), (104, 183430), (130, 146744), (136, 140270), (166, 114920), (169, 112880), (170, 112216), (208, 91715), (221, 86320), (260, 73372), (272, 70135), (332, 57460), (338, 56440), (340, 56108), (415, 45968), (442, 43160), (520, 36686), (664, 28730), (676, 28220), (680, 28054), (830, 22984), (845, 22576), (884, 21580), (1040, 18343), (1079, 17680), (1105, 17264), (1328, 14365), (1352, 14110), (1360, 14027), (1411, 13520), (1660, 11492), (1690, 11288), (1768, 10790), (2158, 8840), (2210, 8632), (2704, 7055), (2822, 6760), (2873, 6640), (3320, 5746), (3380, 5644), (3536, 5395), (4316, 4420)]