18399186

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 43669080

約数和(自身を除く): 25269894

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1289, 1586, 2379, 2578, 3867, 4758, 7137, 7734, 11601, 14274, 16757, 23202, 33514, 50271, 78629, 100542, 150813, 157258, 235887, 301626, 471774, 707661, 1022177, 1415322, 2044354, 3066531, 6133062, 9199593, 18399186]

約数ペア:

[(1, 18399186), (2, 9199593), (3, 6133062), (6, 3066531), (9, 2044354), (13, 1415322), (18, 1022177), (26, 707661), (39, 471774), (61, 301626), (78, 235887), (117, 157258), (122, 150813), (183, 100542), (234, 78629), (366, 50271), (549, 33514), (793, 23202), (1098, 16757), (1289, 14274), (1586, 11601), (2379, 7734), (2578, 7137), (3867, 4758)]