18699690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 48045312

約数和(自身を除く): 29345622

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 661, 690, 943, 1230, 1322, 1886, 1983, 2829, 3305, 3966, 4715, 5658, 6610, 9430, 9915, 14145, 15203, 19830, 27101, 28290, 30406, 45609, 54202, 76015, 81303, 91218, 135505, 152030, 162606, 228045, 271010, 406515, 456090, 623323, 813030, 1246646, 1869969, 3116615, 3739938, 6233230, 9349845, 18699690]

約数ペア:

[(1, 18699690), (2, 9349845), (3, 6233230), (5, 3739938), (6, 3116615), (10, 1869969), (15, 1246646), (23, 813030), (30, 623323), (41, 456090), (46, 406515), (69, 271010), (82, 228045), (115, 162606), (123, 152030), (138, 135505), (205, 91218), (230, 81303), (246, 76015), (345, 54202), (410, 45609), (615, 30406), (661, 28290), (690, 27101), (943, 19830), (1230, 15203), (1322, 14145), (1886, 9915), (1983, 9430), (2829, 6610), (3305, 5658), (3966, 4715)]