19478277

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17212923

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1399, 1547, 1989, 4197, 4641, 9793, 12591, 13923, 18187, 23783, 29379, 54561, 71349, 88137, 127309, 163683, 166481, 214047, 309179, 381927, 499443, 927537, 1145781, 1498329, 2164253, 2782611, 6492759, 19478277]

約数ペア:

[(1, 19478277), (3, 6492759), (7, 2782611), (9, 2164253), (13, 1498329), (17, 1145781), (21, 927537), (39, 499443), (51, 381927), (63, 309179), (91, 214047), (117, 166481), (119, 163683), (153, 127309), (221, 88137), (273, 71349), (357, 54561), (663, 29379), (819, 23783), (1071, 18187), (1399, 13923), (1547, 12591), (1989, 9793), (4197, 4641)]