19964644

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 43142400

約数和(自身を除く): 23177756

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 116, 161, 203, 322, 406, 644, 667, 812, 1069, 1334, 2138, 2668, 4276, 4669, 7483, 9338, 14966, 18676, 24587, 29932, 31001, 49174, 62002, 98348, 124004, 172109, 217007, 344218, 434014, 688436, 713023, 868028, 1426046, 2852092, 4991161, 9982322, 19964644]

約数ペア:

[(1, 19964644), (2, 9982322), (4, 4991161), (7, 2852092), (14, 1426046), (23, 868028), (28, 713023), (29, 688436), (46, 434014), (58, 344218), (92, 217007), (116, 172109), (161, 124004), (203, 98348), (322, 62002), (406, 49174), (644, 31001), (667, 29932), (812, 24587), (1069, 18676), (1334, 14966), (2138, 9338), (2668, 7483), (4276, 4669)]