31980726

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{19963}}^1$

素因数の和:20060

約数の個数: 24

約数和(自身を含む): 70073640

約数和(自身を除く): 38092914

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 19963, 39926, 59889, 119778, 179667, 359334, 1776707, 3553414, 5330121, 10660242, 15990363, 31980726]

約数ペア:

[(1, 31980726), (2, 15990363), (3, 10660242), (6, 5330121), (9, 3553414), (18, 1776707), (89, 359334), (178, 179667), (267, 119778), (534, 59889), (801, 39926), (1602, 19963)]