18695403

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 27655056

約数和(自身を除く): 8959653

約数列:

[1, 3, 9, 101, 131, 157, 303, 393, 471, 909, 1179, 1413, 13231, 15857, 20567, 39693, 47571, 61701, 119079, 142713, 185103, 2077267, 6231801, 18695403]

約数ペア:

[(1, 18695403), (3, 6231801), (9, 2077267), (101, 185103), (131, 142713), (157, 119079), (303, 61701), (393, 47571), (471, 39693), (909, 20567), (1179, 15857), (1413, 13231)]