19637890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 37977984

約数和(自身を除く): 18340094

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1627, 2414, 3254, 6035, 8135, 12070, 16270, 27659, 55318, 115517, 138295, 231034, 276590, 577585, 1155170, 1963789, 3927578, 9818945, 19637890]

約数ペア:

[(1, 19637890), (2, 9818945), (5, 3927578), (10, 1963789), (17, 1155170), (34, 577585), (71, 276590), (85, 231034), (142, 138295), (170, 115517), (355, 55318), (710, 27659), (1207, 16270), (1627, 12070), (2414, 8135), (3254, 6035)]