18777756

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 45317888

約数和(自身を除く): 26540132

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 151, 172, 241, 258, 302, 453, 482, 516, 604, 723, 906, 964, 1446, 1812, 2892, 6493, 10363, 12986, 19479, 20726, 25972, 31089, 36391, 38958, 41452, 62178, 72782, 77916, 109173, 124356, 145564, 218346, 436692, 1564813, 3129626, 4694439, 6259252, 9388878, 18777756]

約数ペア:

[(1, 18777756), (2, 9388878), (3, 6259252), (4, 4694439), (6, 3129626), (12, 1564813), (43, 436692), (86, 218346), (129, 145564), (151, 124356), (172, 109173), (241, 77916), (258, 72782), (302, 62178), (453, 41452), (482, 38958), (516, 36391), (604, 31089), (723, 25972), (906, 20726), (964, 19479), (1446, 12986), (1812, 10363), (2892, 6493)]