19686990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1213}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 47375136

約数和(自身を除く): 27688146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 541, 1082, 1213, 1623, 2426, 2705, 3246, 3639, 5410, 6065, 7278, 8115, 12130, 16230, 18195, 36390, 656233, 1312466, 1968699, 3281165, 3937398, 6562330, 9843495, 19686990]

約数ペア:

[(1, 19686990), (2, 9843495), (3, 6562330), (5, 3937398), (6, 3281165), (10, 1968699), (15, 1312466), (30, 656233), (541, 36390), (1082, 18195), (1213, 16230), (1623, 12130), (2426, 8115), (2705, 7278), (3246, 6065), (3639, 5410)]