19805474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{12911}}^1$

素因数の和:12985

約数の個数: 16

約数和(自身を含む): 32538240

約数和(自身を除く): 12732766

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 12911, 25822, 167843, 335686, 761749, 1523498, 9902737, 19805474]

約数ペア:

[(1, 19805474), (2, 9902737), (13, 1523498), (26, 761749), (59, 335686), (118, 167843), (767, 25822), (1534, 12911)]