19913488

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6131}}^1$

素因数の和:6175

約数の個数: 40

約数和(自身を含む): 45622080

約数和(自身を除く): 25708592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6131, 12262, 24524, 42917, 49048, 85834, 98096, 171668, 177799, 343336, 355598, 686672, 711196, 1244593, 1422392, 2489186, 2844784, 4978372, 9956744, 19913488]

約数ペア:

[(1, 19913488), (2, 9956744), (4, 4978372), (7, 2844784), (8, 2489186), (14, 1422392), (16, 1244593), (28, 711196), (29, 686672), (56, 355598), (58, 343336), (112, 177799), (116, 171668), (203, 98096), (232, 85834), (406, 49048), (464, 42917), (812, 24524), (1624, 12262), (3248, 6131)]