19631800

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 46135440

約数和(自身を除く): 26503640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 953, 1030, 1906, 2060, 2575, 3812, 4120, 4765, 5150, 7624, 9530, 10300, 19060, 20600, 23825, 38120, 47650, 95300, 98159, 190600, 196318, 392636, 490795, 785272, 981590, 1963180, 2453975, 3926360, 4907950, 9815900, 19631800]

約数ペア:

[(1, 19631800), (2, 9815900), (4, 4907950), (5, 3926360), (8, 2453975), (10, 1963180), (20, 981590), (25, 785272), (40, 490795), (50, 392636), (100, 196318), (103, 190600), (200, 98159), (206, 95300), (412, 47650), (515, 38120), (824, 23825), (953, 20600), (1030, 19060), (1906, 10300), (2060, 9530), (2575, 7624), (3812, 5150), (4120, 4765)]