1851144920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{13457}}^1$

素因数の和:13668

約数の個数: 64

約数和(自身を含む): 4408840800

約数和(自身を除く): 2557695880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1810, 3439, 3620, 6878, 7240, 13457, 13756, 17195, 26914, 27512, 34390, 53828, 67285, 68780, 107656, 134570, 137560, 255683, 269140, 511366, 538280, 1022732, 1278415, 2045464, 2435717, 2556830, 4871434, 5113660, 9742868, 10227320, 12178585, 19485736, 24357170, 46278623, 48714340, 92557246, 97428680, 185114492, 231393115, 370228984, 462786230, 925572460, 1851144920]

約数ペア:

[(1, 1851144920), (2, 925572460), (4, 462786230), (5, 370228984), (8, 231393115), (10, 185114492), (19, 97428680), (20, 92557246), (38, 48714340), (40, 46278623), (76, 24357170), (95, 19485736), (152, 12178585), (181, 10227320), (190, 9742868), (362, 5113660), (380, 4871434), (724, 2556830), (760, 2435717), (905, 2045464), (1448, 1278415), (1810, 1022732), (3439, 538280), (3620, 511366), (6878, 269140), (7240, 255683), (13457, 137560), (13756, 134570), (17195, 107656), (26914, 68780), (27512, 67285), (34390, 53828)]