18505695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 32643072

約数和(自身を除く): 14137377

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2207, 2795, 6621, 8385, 11035, 28691, 33105, 86073, 94901, 143455, 284703, 430365, 474505, 1233713, 1423515, 3701139, 6168565, 18505695]

約数ペア:

[(1, 18505695), (3, 6168565), (5, 3701139), (13, 1423515), (15, 1233713), (39, 474505), (43, 430365), (65, 284703), (129, 143455), (195, 94901), (215, 86073), (559, 33105), (645, 28691), (1677, 11035), (2207, 8385), (2795, 6621)]