19840470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50873}}^1$

素因数の和:50896

約数の個数: 32

約数和(自身を含む): 51280992

約数和(自身を除く): 31440522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50873, 101746, 152619, 254365, 305238, 508730, 661349, 763095, 1322698, 1526190, 1984047, 3306745, 3968094, 6613490, 9920235, 19840470]

約数ペア:

[(1, 19840470), (2, 9920235), (3, 6613490), (5, 3968094), (6, 3306745), (10, 1984047), (13, 1526190), (15, 1322698), (26, 763095), (30, 661349), (39, 508730), (65, 305238), (78, 254365), (130, 152619), (195, 101746), (390, 50873)]