19754070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34988970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 863, 1090, 1526, 1635, 1726, 2289, 2589, 3270, 3815, 4315, 4578, 5178, 6041, 7630, 8630, 11445, 12082, 12945, 18123, 22890, 25890, 30205, 36246, 60410, 90615, 94067, 181230, 188134, 282201, 470335, 564402, 658469, 940670, 1316938, 1411005, 1975407, 2822010, 3292345, 3950814, 6584690, 9877035, 19754070]

約数ペア:

[(1, 19754070), (2, 9877035), (3, 6584690), (5, 3950814), (6, 3292345), (7, 2822010), (10, 1975407), (14, 1411005), (15, 1316938), (21, 940670), (30, 658469), (35, 564402), (42, 470335), (70, 282201), (105, 188134), (109, 181230), (210, 94067), (218, 90615), (327, 60410), (545, 36246), (654, 30205), (763, 25890), (863, 22890), (1090, 18123), (1526, 12945), (1635, 12082), (1726, 11445), (2289, 8630), (2589, 7630), (3270, 6041), (3815, 5178), (4315, 4578)]