18829540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55381}}^1$

素因数の和:55407

約数の個数: 24

約数和(自身を含む): 41868792

約数和(自身を除く): 23039252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55381, 110762, 221524, 276905, 553810, 941477, 1107620, 1882954, 3765908, 4707385, 9414770, 18829540]

約数ペア:

[(1, 18829540), (2, 9414770), (4, 4707385), (5, 3765908), (10, 1882954), (17, 1107620), (20, 941477), (34, 553810), (68, 276905), (85, 221524), (170, 110762), (340, 55381)]