19617912

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3449}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 53820000

約数和(自身を除く): 34202088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3449, 5688, 6898, 10347, 13796, 20694, 27592, 31041, 41388, 62082, 82776, 124164, 248328, 272471, 544942, 817413, 1089884, 1634826, 2179768, 2452239, 3269652, 4904478, 6539304, 9808956, 19617912]

約数ペア:

[(1, 19617912), (2, 9808956), (3, 6539304), (4, 4904478), (6, 3269652), (8, 2452239), (9, 2179768), (12, 1634826), (18, 1089884), (24, 817413), (36, 544942), (72, 272471), (79, 248328), (158, 124164), (237, 82776), (316, 62082), (474, 41388), (632, 31041), (711, 27592), (948, 20694), (1422, 13796), (1896, 10347), (2844, 6898), (3449, 5688)]