19413840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3517}}^1$

素因数の和:3556

約数の個数: 80

約数和(自身を含む): 62817408

約数和(自身を除く): 43403568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3517, 5520, 7034, 10551, 14068, 17585, 21102, 28136, 35170, 42204, 52755, 56272, 70340, 80891, 84408, 105510, 140680, 161782, 168816, 211020, 242673, 281360, 323564, 404455, 422040, 485346, 647128, 808910, 844080, 970692, 1213365, 1294256, 1617820, 1941384, 2426730, 3235640, 3882768, 4853460, 6471280, 9706920, 19413840]

約数ペア:

[(1, 19413840), (2, 9706920), (3, 6471280), (4, 4853460), (5, 3882768), (6, 3235640), (8, 2426730), (10, 1941384), (12, 1617820), (15, 1294256), (16, 1213365), (20, 970692), (23, 844080), (24, 808910), (30, 647128), (40, 485346), (46, 422040), (48, 404455), (60, 323564), (69, 281360), (80, 242673), (92, 211020), (115, 168816), (120, 161782), (138, 140680), (184, 105510), (230, 84408), (240, 80891), (276, 70340), (345, 56272), (368, 52755), (460, 42204), (552, 35170), (690, 28136), (920, 21102), (1104, 17585), (1380, 14068), (1840, 10551), (2760, 7034), (3517, 5520)]