18931346

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 35557056

約数和(自身を除く): 16625710

約数列:

[1, 2, 7, 14, 23, 37, 46, 49, 74, 98, 161, 227, 259, 322, 454, 518, 851, 1127, 1589, 1702, 1813, 2254, 3178, 3626, 5221, 5957, 8399, 10442, 11123, 11914, 16798, 22246, 36547, 41699, 58793, 73094, 83398, 117586, 193177, 255829, 386354, 411551, 511658, 823102, 1352239, 2704478, 9465673, 18931346]

約数ペア:

[(1, 18931346), (2, 9465673), (7, 2704478), (14, 1352239), (23, 823102), (37, 511658), (46, 411551), (49, 386354), (74, 255829), (98, 193177), (161, 117586), (227, 83398), (259, 73094), (322, 58793), (454, 41699), (518, 36547), (851, 22246), (1127, 16798), (1589, 11914), (1702, 11123), (1813, 10442), (2254, 8399), (3178, 5957), (3626, 5221)]