19507378

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 24

約数和(自身を含む): 32438700

約数和(自身を除く): 12931322

約数列:

[1, 2, 11, 22, 121, 149, 242, 298, 541, 1082, 1639, 3278, 5951, 11902, 18029, 36058, 65461, 80609, 130922, 161218, 886699, 1773398, 9753689, 19507378]

約数ペア:

[(1, 19507378), (2, 9753689), (11, 1773398), (22, 886699), (121, 161218), (149, 130922), (242, 80609), (298, 65461), (541, 36058), (1082, 18029), (1639, 11902), (3278, 5951)]