18336848

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 36604800

約数和(自身を除く): 18267952

約数列:

[1, 2, 4, 8, 16, 79, 89, 158, 163, 178, 316, 326, 356, 632, 652, 712, 1264, 1304, 1424, 2608, 7031, 12877, 14062, 14507, 25754, 28124, 29014, 51508, 56248, 58028, 103016, 112496, 116056, 206032, 232112, 1146053, 2292106, 4584212, 9168424, 18336848]

約数ペア:

[(1, 18336848), (2, 9168424), (4, 4584212), (8, 2292106), (16, 1146053), (79, 232112), (89, 206032), (158, 116056), (163, 112496), (178, 103016), (316, 58028), (326, 56248), (356, 51508), (632, 29014), (652, 28124), (712, 25754), (1264, 14507), (1304, 14062), (1424, 12877), (2608, 7031)]