19944810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1327}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 52206336

約数和(自身を除く): 32261526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1327, 1503, 1670, 2505, 2654, 3006, 3981, 5010, 6635, 7515, 7962, 11943, 13270, 15030, 19905, 23886, 39810, 59715, 119430, 221609, 443218, 664827, 1108045, 1329654, 1994481, 2216090, 3324135, 3988962, 6648270, 9972405, 19944810]

約数ペア:

[(1, 19944810), (2, 9972405), (3, 6648270), (5, 3988962), (6, 3324135), (9, 2216090), (10, 1994481), (15, 1329654), (18, 1108045), (30, 664827), (45, 443218), (90, 221609), (167, 119430), (334, 59715), (501, 39810), (835, 23886), (1002, 19905), (1327, 15030), (1503, 13270), (1670, 11943), (2505, 7962), (2654, 7515), (3006, 6635), (3981, 5010)]