19640803425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{8317}}^1$

素因数の和:8427

約数の個数: 72

約数和(自身を含む): 34829395776

約数和(自身を除く): 15188592351

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 185, 345, 555, 575, 851, 925, 1369, 1725, 2553, 2775, 4107, 4255, 6845, 8317, 12765, 20535, 21275, 24951, 31487, 34225, 41585, 63825, 94461, 102675, 124755, 157435, 191291, 207925, 307729, 472305, 573873, 623775, 787175, 923187, 956455, 1538645, 2361525, 2869365, 4615935, 4782275, 7077767, 7693225, 11385973, 14346825, 21233301, 23079675, 34157919, 35388835, 56929865, 106166505, 170789595, 176944175, 261877379, 284649325, 530832525, 785632137, 853947975, 1309386895, 3928160685, 6546934475, 19640803425]

約数ペア:

[(1, 19640803425), (3, 6546934475), (5, 3928160685), (15, 1309386895), (23, 853947975), (25, 785632137), (37, 530832525), (69, 284649325), (75, 261877379), (111, 176944175), (115, 170789595), (185, 106166505), (345, 56929865), (555, 35388835), (575, 34157919), (851, 23079675), (925, 21233301), (1369, 14346825), (1725, 11385973), (2553, 7693225), (2775, 7077767), (4107, 4782275), (4255, 4615935), (6845, 2869365), (8317, 2361525), (12765, 1538645), (20535, 956455), (21275, 923187), (24951, 787175), (31487, 623775), (34225, 573873), (41585, 472305), (63825, 307729), (94461, 207925), (102675, 191291), (124755, 157435)]