19744620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 44702868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 887, 1060, 1113, 1484, 1590, 1774, 1855, 2226, 2661, 3180, 3548, 3710, 4435, 4452, 5322, 5565, 6209, 7420, 8870, 10644, 11130, 12418, 13305, 17740, 18627, 22260, 24836, 26610, 31045, 37254, 47011, 53220, 62090, 74508, 93135, 94022, 124180, 141033, 186270, 188044, 235055, 282066, 329077, 372540, 470110, 564132, 658154, 705165, 940220, 987231, 1316308, 1410330, 1645385, 1974462, 2820660, 3290770, 3948924, 4936155, 6581540, 9872310, 19744620]

約数ペア:

[(1, 19744620), (2, 9872310), (3, 6581540), (4, 4936155), (5, 3948924), (6, 3290770), (7, 2820660), (10, 1974462), (12, 1645385), (14, 1410330), (15, 1316308), (20, 987231), (21, 940220), (28, 705165), (30, 658154), (35, 564132), (42, 470110), (53, 372540), (60, 329077), (70, 282066), (84, 235055), (105, 188044), (106, 186270), (140, 141033), (159, 124180), (210, 94022), (212, 93135), (265, 74508), (318, 62090), (371, 53220), (420, 47011), (530, 37254), (636, 31045), (742, 26610), (795, 24836), (887, 22260), (1060, 18627), (1113, 17740), (1484, 13305), (1590, 12418), (1774, 11130), (1855, 10644), (2226, 8870), (2661, 7420), (3180, 6209), (3548, 5565), (3710, 5322), (4435, 4452)]