19586050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 40176000

約数和(自身を除く): 20589950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 239, 275, 298, 478, 550, 745, 1195, 1490, 1639, 2390, 2629, 3278, 3725, 5258, 5975, 7450, 8195, 11950, 13145, 16390, 26290, 35611, 40975, 65725, 71222, 81950, 131450, 178055, 356110, 391721, 783442, 890275, 1780550, 1958605, 3917210, 9793025, 19586050]

約数ペア:

[(1, 19586050), (2, 9793025), (5, 3917210), (10, 1958605), (11, 1780550), (22, 890275), (25, 783442), (50, 391721), (55, 356110), (110, 178055), (149, 131450), (239, 81950), (275, 71222), (298, 65725), (478, 40975), (550, 35611), (745, 26290), (1195, 16390), (1490, 13145), (1639, 11950), (2390, 8195), (2629, 7450), (3278, 5975), (3725, 5258)]