19816744

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 38709000

約数和(自身を除く): 18892256

約数列:

[1, 2, 4, 8, 29, 58, 116, 229, 232, 373, 458, 746, 916, 1492, 1832, 2984, 6641, 10817, 13282, 21634, 26564, 43268, 53128, 85417, 86536, 170834, 341668, 683336, 2477093, 4954186, 9908372, 19816744]

約数ペア:

[(1, 19816744), (2, 9908372), (4, 4954186), (8, 2477093), (29, 683336), (58, 341668), (116, 170834), (229, 86536), (232, 85417), (373, 53128), (458, 43268), (746, 26564), (916, 21634), (1492, 13282), (1832, 10817), (2984, 6641)]