19414220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 47089728

約数和(自身を除く): 27675508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1373, 1414, 2020, 2746, 2828, 3535, 5492, 6865, 7070, 9611, 13730, 14140, 19222, 27460, 38444, 48055, 96110, 138673, 192220, 277346, 554692, 693365, 970711, 1386730, 1941422, 2773460, 3882844, 4853555, 9707110, 19414220]

約数ペア:

[(1, 19414220), (2, 9707110), (4, 4853555), (5, 3882844), (7, 2773460), (10, 1941422), (14, 1386730), (20, 970711), (28, 693365), (35, 554692), (70, 277346), (101, 192220), (140, 138673), (202, 96110), (404, 48055), (505, 38444), (707, 27460), (1010, 19222), (1373, 14140), (1414, 13730), (2020, 9611), (2746, 7070), (2828, 6865), (3535, 5492)]