18513378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 43939896

約数和(自身を除く): 25426518

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1297, 1586, 2379, 2594, 3891, 4758, 7137, 7782, 11673, 14274, 16861, 23346, 33722, 50583, 79117, 101166, 151749, 158234, 237351, 303498, 474702, 712053, 1028521, 1424106, 2057042, 3085563, 6171126, 9256689, 18513378]

約数ペア:

[(1, 18513378), (2, 9256689), (3, 6171126), (6, 3085563), (9, 2057042), (13, 1424106), (18, 1028521), (26, 712053), (39, 474702), (61, 303498), (78, 237351), (117, 158234), (122, 151749), (183, 101166), (234, 79117), (366, 50583), (549, 33722), (793, 23346), (1098, 16861), (1297, 14274), (1586, 11673), (2379, 7782), (2594, 7137), (3891, 4758)]