18434871

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 35289408

約数和(自身を除く): 16854537

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 61, 63, 81, 91, 117, 123, 183, 189, 273, 287, 351, 369, 427, 533, 549, 567, 793, 819, 861, 1053, 1107, 1281, 1599, 1647, 2379, 2457, 2501, 2583, 3321, 3731, 3843, 4797, 4941, 5551, 7137, 7371, 7503, 7749, 11193, 11529, 14391, 16653, 17507, 21411, 22509, 23247, 32513, 33579, 34587, 43173, 49959, 52521, 64233, 67527, 97539, 100737, 149877, 157563, 202581, 227591, 292617, 302211, 449631, 472689, 682773, 877851, 1418067, 2048319, 2633553, 6144957, 18434871]

約数ペア:

[(1, 18434871), (3, 6144957), (7, 2633553), (9, 2048319), (13, 1418067), (21, 877851), (27, 682773), (39, 472689), (41, 449631), (61, 302211), (63, 292617), (81, 227591), (91, 202581), (117, 157563), (123, 149877), (183, 100737), (189, 97539), (273, 67527), (287, 64233), (351, 52521), (369, 49959), (427, 43173), (533, 34587), (549, 33579), (567, 32513), (793, 23247), (819, 22509), (861, 21411), (1053, 17507), (1107, 16653), (1281, 14391), (1599, 11529), (1647, 11193), (2379, 7749), (2457, 7503), (2501, 7371), (2583, 7137), (3321, 5551), (3731, 4941), (3843, 4797)]