19613802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 45905184

約数和(自身を除く): 26291382

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 169, 174, 299, 338, 377, 507, 598, 667, 754, 841, 897, 1014, 1131, 1334, 1682, 1794, 2001, 2262, 2523, 3887, 4002, 4901, 5046, 7774, 8671, 9802, 10933, 11661, 14703, 17342, 19343, 21866, 23322, 26013, 29406, 32799, 38686, 52026, 58029, 65598, 112723, 116058, 142129, 225446, 251459, 284258, 338169, 426387, 502918, 676338, 754377, 852774, 1508754, 3268967, 6537934, 9806901, 19613802]

約数ペア:

[(1, 19613802), (2, 9806901), (3, 6537934), (6, 3268967), (13, 1508754), (23, 852774), (26, 754377), (29, 676338), (39, 502918), (46, 426387), (58, 338169), (69, 284258), (78, 251459), (87, 225446), (138, 142129), (169, 116058), (174, 112723), (299, 65598), (338, 58029), (377, 52026), (507, 38686), (598, 32799), (667, 29406), (754, 26013), (841, 23322), (897, 21866), (1014, 19343), (1131, 17342), (1334, 14703), (1682, 11661), (1794, 10933), (2001, 9802), (2262, 8671), (2523, 7774), (3887, 5046), (4002, 4901)]