19707916

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 35307776

約数和(自身を除く): 15599860

約数列:

[1, 2, 4, 67, 134, 151, 268, 302, 487, 604, 974, 1948, 10117, 20234, 32629, 40468, 65258, 73537, 130516, 147074, 294148, 4926979, 9853958, 19707916]

約数ペア:

[(1, 19707916), (2, 9853958), (4, 4926979), (67, 294148), (134, 147074), (151, 130516), (268, 73537), (302, 65258), (487, 40468), (604, 32629), (974, 20234), (1948, 10117)]