18107050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 36794520

約数和(自身を除く): 18687470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 313, 325, 445, 626, 650, 890, 1157, 1565, 2225, 2314, 3130, 4069, 4450, 5785, 7825, 8138, 11570, 15650, 20345, 27857, 28925, 40690, 55714, 57850, 101725, 139285, 203450, 278570, 362141, 696425, 724282, 1392850, 1810705, 3621410, 9053525, 18107050]

約数ペア:

[(1, 18107050), (2, 9053525), (5, 3621410), (10, 1810705), (13, 1392850), (25, 724282), (26, 696425), (50, 362141), (65, 278570), (89, 203450), (130, 139285), (178, 101725), (313, 57850), (325, 55714), (445, 40690), (626, 28925), (650, 27857), (890, 20345), (1157, 15650), (1565, 11570), (2225, 8138), (2314, 7825), (3130, 5785), (4069, 4450)]