18219318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 23149002

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 59, 74, 78, 107, 111, 118, 177, 214, 222, 321, 354, 481, 642, 767, 962, 1391, 1443, 1534, 2183, 2301, 2782, 2886, 3959, 4173, 4366, 4602, 6313, 6549, 7918, 8346, 11877, 12626, 13098, 18939, 23754, 28379, 37878, 51467, 56758, 82069, 85137, 102934, 154401, 164138, 170274, 233581, 246207, 308802, 467162, 492414, 700743, 1401486, 3036553, 6073106, 9109659, 18219318]

約数ペア:

[(1, 18219318), (2, 9109659), (3, 6073106), (6, 3036553), (13, 1401486), (26, 700743), (37, 492414), (39, 467162), (59, 308802), (74, 246207), (78, 233581), (107, 170274), (111, 164138), (118, 154401), (177, 102934), (214, 85137), (222, 82069), (321, 56758), (354, 51467), (481, 37878), (642, 28379), (767, 23754), (962, 18939), (1391, 13098), (1443, 12626), (1534, 11877), (2183, 8346), (2301, 7918), (2782, 6549), (2886, 6313), (3959, 4602), (4173, 4366)]