18449418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 42739200

約数和(自身を除く): 24289782

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 59, 78, 114, 118, 177, 211, 247, 354, 422, 494, 633, 741, 767, 1121, 1266, 1482, 1534, 2242, 2301, 2743, 3363, 4009, 4602, 5486, 6726, 8018, 8229, 12027, 12449, 14573, 16458, 24054, 24898, 29146, 37347, 43719, 52117, 74694, 87438, 104234, 156351, 161837, 236531, 312702, 323674, 473062, 485511, 709593, 971022, 1419186, 3074903, 6149806, 9224709, 18449418]

約数ペア:

[(1, 18449418), (2, 9224709), (3, 6149806), (6, 3074903), (13, 1419186), (19, 971022), (26, 709593), (38, 485511), (39, 473062), (57, 323674), (59, 312702), (78, 236531), (114, 161837), (118, 156351), (177, 104234), (211, 87438), (247, 74694), (354, 52117), (422, 43719), (494, 37347), (633, 29146), (741, 24898), (767, 24054), (1121, 16458), (1266, 14573), (1482, 12449), (1534, 12027), (2242, 8229), (2301, 8018), (2743, 6726), (3363, 5486), (4009, 4602)]