18934461

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 34303360

約数和(自身を除く): 15368899

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 379, 427, 549, 793, 819, 1137, 1281, 2379, 2653, 3411, 3843, 4927, 5551, 7137, 7959, 14781, 16653, 23119, 23877, 34489, 44343, 49959, 69357, 103467, 161833, 208071, 300547, 310401, 485499, 901641, 1456497, 2103829, 2704923, 6311487, 18934461]

約数ペア:

[(1, 18934461), (3, 6311487), (7, 2704923), (9, 2103829), (13, 1456497), (21, 901641), (39, 485499), (61, 310401), (63, 300547), (91, 208071), (117, 161833), (183, 103467), (273, 69357), (379, 49959), (427, 44343), (549, 34489), (793, 23877), (819, 23119), (1137, 16653), (1281, 14781), (2379, 7959), (2653, 7137), (3411, 5551), (3843, 4927)]