17975152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 37966320

約数和(自身を除く): 19991168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 971, 1157, 1424, 1942, 2314, 3884, 4628, 7768, 9256, 12623, 15536, 18512, 25246, 50492, 86419, 100984, 172838, 201968, 345676, 691352, 1123447, 1382704, 2246894, 4493788, 8987576, 17975152]

約数ペア:

[(1, 17975152), (2, 8987576), (4, 4493788), (8, 2246894), (13, 1382704), (16, 1123447), (26, 691352), (52, 345676), (89, 201968), (104, 172838), (178, 100984), (208, 86419), (356, 50492), (712, 25246), (971, 18512), (1157, 15536), (1424, 12623), (1942, 9256), (2314, 7768), (3884, 4628)]