19457490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49891}}^1$

素因数の和:49914

約数の個数: 32

約数和(自身を含む): 50291136

約数和(自身を除く): 30833646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49891, 99782, 149673, 249455, 299346, 498910, 648583, 748365, 1297166, 1496730, 1945749, 3242915, 3891498, 6485830, 9728745, 19457490]

約数ペア:

[(1, 19457490), (2, 9728745), (3, 6485830), (5, 3891498), (6, 3242915), (10, 1945749), (13, 1496730), (15, 1297166), (26, 748365), (30, 648583), (39, 498910), (65, 299346), (78, 249455), (130, 149673), (195, 99782), (390, 49891)]