16961890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 16526750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 569, 1138, 1355, 2710, 2845, 2981, 5690, 5962, 6259, 12518, 14905, 29810, 31295, 62590, 154199, 308398, 770995, 1541990, 1696189, 3392378, 8480945, 16961890]

約数ペア:

[(1, 16961890), (2, 8480945), (5, 3392378), (10, 1696189), (11, 1541990), (22, 770995), (55, 308398), (110, 154199), (271, 62590), (542, 31295), (569, 29810), (1138, 14905), (1355, 12518), (2710, 6259), (2845, 5962), (2981, 5690)]