19494480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 42376560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1889, 2064, 2580, 3440, 3778, 5160, 5667, 7556, 9445, 10320, 11334, 15112, 18890, 22668, 28335, 30224, 37780, 45336, 56670, 75560, 81227, 90672, 113340, 151120, 162454, 226680, 243681, 324908, 406135, 453360, 487362, 649816, 812270, 974724, 1218405, 1299632, 1624540, 1949448, 2436810, 3249080, 3898896, 4873620, 6498160, 9747240, 19494480]

約数ペア:

[(1, 19494480), (2, 9747240), (3, 6498160), (4, 4873620), (5, 3898896), (6, 3249080), (8, 2436810), (10, 1949448), (12, 1624540), (15, 1299632), (16, 1218405), (20, 974724), (24, 812270), (30, 649816), (40, 487362), (43, 453360), (48, 406135), (60, 324908), (80, 243681), (86, 226680), (120, 162454), (129, 151120), (172, 113340), (215, 90672), (240, 81227), (258, 75560), (344, 56670), (430, 45336), (516, 37780), (645, 30224), (688, 28335), (860, 22668), (1032, 18890), (1290, 15112), (1720, 11334), (1889, 10320), (2064, 9445), (2580, 7556), (3440, 5667), (3778, 5160)]