18471645

素因数分解:

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

素因数の和:704

約数の個数: 48

約数和(自身を含む): 34699392

約数和(自身を除く): 16227747

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 661, 1035, 1215, 1863, 1983, 3105, 3305, 5589, 5949, 9315, 9915, 15203, 17847, 27945, 29745, 45609, 53541, 76015, 89235, 136827, 160623, 228045, 267705, 410481, 684135, 803115, 1231443, 2052405, 3694329, 6157215, 18471645]

約数ペア:

[(1, 18471645), (3, 6157215), (5, 3694329), (9, 2052405), (15, 1231443), (23, 803115), (27, 684135), (45, 410481), (69, 267705), (81, 228045), (115, 160623), (135, 136827), (207, 89235), (243, 76015), (345, 53541), (405, 45609), (621, 29745), (661, 27945), (1035, 17847), (1215, 15203), (1863, 9915), (1983, 9315), (3105, 5949), (3305, 5589)]