18493994608

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{253871}}^1$

素因数の和:254065

約数の個数: 40

約数和(自身を含む): 37303951680

約数和(自身を除く): 18809957072

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 157, 232, 314, 464, 628, 1256, 2512, 4553, 9106, 18212, 36424, 72848, 253871, 507742, 1015484, 2030968, 4061936, 7362259, 14724518, 29449036, 39857747, 58898072, 79715494, 117796144, 159430988, 318861976, 637723952, 1155874663, 2311749326, 4623498652, 9246997304, 18493994608]

約数ペア:

[(1, 18493994608), (2, 9246997304), (4, 4623498652), (8, 2311749326), (16, 1155874663), (29, 637723952), (58, 318861976), (116, 159430988), (157, 117796144), (232, 79715494), (314, 58898072), (464, 39857747), (628, 29449036), (1256, 14724518), (2512, 7362259), (4553, 4061936), (9106, 2030968), (18212, 1015484), (36424, 507742), (72848, 253871)]