18547965

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 33948720

約数和(自身を除く): 15400755

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 145, 183, 233, 261, 305, 435, 549, 699, 915, 1165, 1305, 1769, 2097, 2745, 3495, 5307, 6757, 8845, 10485, 14213, 15921, 20271, 26535, 33785, 42639, 60813, 71065, 79605, 101355, 127917, 213195, 304065, 412177, 639585, 1236531, 2060885, 3709593, 6182655, 18547965]

約数ペア:

[(1, 18547965), (3, 6182655), (5, 3709593), (9, 2060885), (15, 1236531), (29, 639585), (45, 412177), (61, 304065), (87, 213195), (145, 127917), (183, 101355), (233, 79605), (261, 71065), (305, 60813), (435, 42639), (549, 33785), (699, 26535), (915, 20271), (1165, 15921), (1305, 14213), (1769, 10485), (2097, 8845), (2745, 6757), (3495, 5307)]