18136965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 19021947

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 77, 105, 123, 165, 205, 231, 287, 383, 385, 451, 615, 861, 1149, 1155, 1353, 1435, 1915, 2255, 2681, 3157, 4213, 4305, 5745, 6765, 8043, 9471, 12639, 13405, 15703, 15785, 21065, 29491, 40215, 47109, 47355, 63195, 78515, 88473, 109921, 147455, 172733, 235545, 329763, 442365, 518199, 549605, 863665, 1209131, 1648815, 2590995, 3627393, 6045655, 18136965]

約数ペア:

[(1, 18136965), (3, 6045655), (5, 3627393), (7, 2590995), (11, 1648815), (15, 1209131), (21, 863665), (33, 549605), (35, 518199), (41, 442365), (55, 329763), (77, 235545), (105, 172733), (123, 147455), (165, 109921), (205, 88473), (231, 78515), (287, 63195), (383, 47355), (385, 47109), (451, 40215), (615, 29491), (861, 21065), (1149, 15785), (1155, 15703), (1353, 13405), (1435, 12639), (1915, 9471), (2255, 8043), (2681, 6765), (3157, 5745), (4213, 4305)]