19239492020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1\times {\mathrm{1373}}^1$

素因数の和:2481

約数の個数: 96

約数和(自身を含む): 46713010176

約数和(自身を除く): 27473518156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 991, 1010, 1373, 1414, 1982, 2020, 2746, 2828, 3535, 3964, 4955, 5492, 6865, 6937, 7070, 9611, 9910, 13730, 13874, 14140, 19222, 19820, 27460, 27748, 34685, 38444, 48055, 69370, 96110, 100091, 138673, 138740, 192220, 200182, 277346, 400364, 500455, 554692, 693365, 700637, 970711, 1000910, 1360643, 1386730, 1401274, 1941422, 2001820, 2721286, 2773460, 2802548, 3503185, 3882844, 4853555, 5442572, 6803215, 7006370, 9524501, 9707110, 13606430, 14012740, 19049002, 19414220, 27212860, 38098004, 47622505, 95245010, 137424943, 190490020, 274849886, 549699772, 687124715, 961974601, 1374249430, 1923949202, 2748498860, 3847898404, 4809873005, 9619746010, 19239492020]

約数ペア:

[(1, 19239492020), (2, 9619746010), (4, 4809873005), (5, 3847898404), (7, 2748498860), (10, 1923949202), (14, 1374249430), (20, 961974601), (28, 687124715), (35, 549699772), (70, 274849886), (101, 190490020), (140, 137424943), (202, 95245010), (404, 47622505), (505, 38098004), (707, 27212860), (991, 19414220), (1010, 19049002), (1373, 14012740), (1414, 13606430), (1982, 9707110), (2020, 9524501), (2746, 7006370), (2828, 6803215), (3535, 5442572), (3964, 4853555), (4955, 3882844), (5492, 3503185), (6865, 2802548), (6937, 2773460), (7070, 2721286), (9611, 2001820), (9910, 1941422), (13730, 1401274), (13874, 1386730), (14140, 1360643), (19222, 1000910), (19820, 970711), (27460, 700637), (27748, 693365), (34685, 554692), (38444, 500455), (48055, 400364), (69370, 277346), (96110, 200182), (100091, 192220), (138673, 138740)]