18131152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 38478440

約数和(自身を除く): 20347288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1429, 1586, 2858, 3172, 5716, 6344, 11432, 12688, 18577, 22864, 37154, 74308, 87169, 148616, 174338, 297232, 348676, 697352, 1133197, 1394704, 2266394, 4532788, 9065576, 18131152]

約数ペア:

[(1, 18131152), (2, 9065576), (4, 4532788), (8, 2266394), (13, 1394704), (16, 1133197), (26, 697352), (52, 348676), (61, 297232), (104, 174338), (122, 148616), (208, 87169), (244, 74308), (488, 37154), (793, 22864), (976, 18577), (1429, 12688), (1586, 11432), (2858, 6344), (3172, 5716)]