18549550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 37028880

約数和(自身を除く): 18479330

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 139, 157, 170, 278, 314, 425, 695, 785, 850, 1390, 1570, 2363, 2669, 3475, 3925, 4726, 5338, 6950, 7850, 11815, 13345, 21823, 23630, 26690, 43646, 59075, 66725, 109115, 118150, 133450, 218230, 370991, 545575, 741982, 1091150, 1854955, 3709910, 9274775, 18549550]

約数ペア:

[(1, 18549550), (2, 9274775), (5, 3709910), (10, 1854955), (17, 1091150), (25, 741982), (34, 545575), (50, 370991), (85, 218230), (139, 133450), (157, 118150), (170, 109115), (278, 66725), (314, 59075), (425, 43646), (695, 26690), (785, 23630), (850, 21823), (1390, 13345), (1570, 11815), (2363, 7850), (2669, 6950), (3475, 5338), (3925, 4726)]