18936015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7841}}^1$

素因数の和:7879

約数の個数: 32

約数和(自身を含む): 36135936

約数和(自身を除く): 17199921

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 7841, 23523, 39205, 54887, 117615, 164661, 180343, 274435, 541029, 823305, 901715, 1262401, 2705145, 3787203, 6312005, 18936015]

約数ペア:

[(1, 18936015), (3, 6312005), (5, 3787203), (7, 2705145), (15, 1262401), (21, 901715), (23, 823305), (35, 541029), (69, 274435), (105, 180343), (115, 164661), (161, 117615), (345, 54887), (483, 39205), (805, 23523), (2415, 7841)]