18438472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10429}}^1$

素因数の和:10465

約数の個数: 32

約数和(自身を含む): 39425400

約数和(自身を除く): 20986928

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10429, 20858, 41716, 83432, 135577, 177293, 271154, 354586, 542308, 709172, 1084616, 1418344, 2304809, 4609618, 9219236, 18438472]

約数ペア:

[(1, 18438472), (2, 9219236), (4, 4609618), (8, 2304809), (13, 1418344), (17, 1084616), (26, 709172), (34, 542308), (52, 354586), (68, 271154), (104, 177293), (136, 135577), (221, 83432), (442, 41716), (884, 20858), (1768, 10429)]