19691327240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{140773}}^1$

素因数の和:141066

約数の個数: 64

約数和(自身を含む): 47891314800

約数和(自身を除く): 28199987560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 1076, 1345, 2152, 2690, 3497, 5380, 6994, 10760, 13988, 17485, 27976, 34970, 69940, 139880, 140773, 281546, 563092, 703865, 1126184, 1407730, 1830049, 2815460, 3660098, 5630920, 7320196, 9150245, 14640392, 18300490, 36600980, 37867937, 73201960, 75735874, 151471748, 189339685, 302943496, 378679370, 492283181, 757358740, 984566362, 1514717480, 1969132724, 2461415905, 3938265448, 4922831810, 9845663620, 19691327240]

約数ペア:

[(1, 19691327240), (2, 9845663620), (4, 4922831810), (5, 3938265448), (8, 2461415905), (10, 1969132724), (13, 1514717480), (20, 984566362), (26, 757358740), (40, 492283181), (52, 378679370), (65, 302943496), (104, 189339685), (130, 151471748), (260, 75735874), (269, 73201960), (520, 37867937), (538, 36600980), (1076, 18300490), (1345, 14640392), (2152, 9150245), (2690, 7320196), (3497, 5630920), (5380, 3660098), (6994, 2815460), (10760, 1830049), (13988, 1407730), (17485, 1126184), (27976, 703865), (34970, 563092), (69940, 281546), (139880, 140773)]