15989830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3659}}^1$

素因数の和:3708

約数の個数: 32

約数和(自身を含む): 31622400

約数和(自身を除く): 15632570

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 3659, 4370, 7318, 18295, 36590, 69521, 84157, 139042, 168314, 347605, 420785, 695210, 841570, 1598983, 3197966, 7994915, 15989830]

約数ペア:

[(1, 15989830), (2, 7994915), (5, 3197966), (10, 1598983), (19, 841570), (23, 695210), (38, 420785), (46, 347605), (95, 168314), (115, 139042), (190, 84157), (230, 69521), (437, 36590), (874, 18295), (2185, 7318), (3659, 4370)]