18994980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316583}}^1$

素因数の和:316595

約数の個数: 24

約数和(自身を含む): 53186112

約数和(自身を除く): 34191132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316583, 633166, 949749, 1266332, 1582915, 1899498, 3165830, 3798996, 4748745, 6331660, 9497490, 18994980]

約数ペア:

[(1, 18994980), (2, 9497490), (3, 6331660), (4, 4748745), (5, 3798996), (6, 3165830), (10, 1899498), (12, 1582915), (15, 1266332), (20, 949749), (30, 633166), (60, 316583)]