17920968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 31067832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 809, 852, 923, 1618, 1704, 1846, 2427, 2769, 3236, 3692, 4854, 5538, 6472, 7384, 9708, 10517, 11076, 19416, 21034, 22152, 31551, 42068, 57439, 63102, 84136, 114878, 126204, 172317, 229756, 252408, 344634, 459512, 689268, 746707, 1378536, 1493414, 2240121, 2986828, 4480242, 5973656, 8960484, 17920968]

約数ペア:

[(1, 17920968), (2, 8960484), (3, 5973656), (4, 4480242), (6, 2986828), (8, 2240121), (12, 1493414), (13, 1378536), (24, 746707), (26, 689268), (39, 459512), (52, 344634), (71, 252408), (78, 229756), (104, 172317), (142, 126204), (156, 114878), (213, 84136), (284, 63102), (312, 57439), (426, 42068), (568, 31551), (809, 22152), (852, 21034), (923, 19416), (1618, 11076), (1704, 10517), (1846, 9708), (2427, 7384), (2769, 6472), (3236, 5538), (3692, 4854)]