19511752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1151}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 20163128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1151, 1304, 2119, 2302, 4238, 4604, 8476, 9208, 14963, 16952, 29926, 59852, 119704, 187613, 375226, 750452, 1500904, 2438969, 4877938, 9755876, 19511752]

約数ペア:

[(1, 19511752), (2, 9755876), (4, 4877938), (8, 2438969), (13, 1500904), (26, 750452), (52, 375226), (104, 187613), (163, 119704), (326, 59852), (652, 29926), (1151, 16952), (1304, 14963), (2119, 9208), (2302, 8476), (4238, 4604)]