18447580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11113}}^1$

素因数の和:11205

約数の個数: 24

約数和(自身を含む): 39210192

約数和(自身を除く): 20762612

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11113, 22226, 44452, 55565, 111130, 222260, 922379, 1844758, 3689516, 4611895, 9223790, 18447580]

約数ペア:

[(1, 18447580), (2, 9223790), (4, 4611895), (5, 3689516), (10, 1844758), (20, 922379), (83, 222260), (166, 111130), (332, 55565), (415, 44452), (830, 22226), (1660, 11113)]