18804476

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 34245120

約数和(自身を除く): 15440644

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 1091, 2182, 4309, 4364, 8618, 17236, 33821, 67642, 135284, 151649, 303298, 606596, 4701119, 9402238, 18804476]

約数ペア:

[(1, 18804476), (2, 9402238), (4, 4701119), (31, 606596), (62, 303298), (124, 151649), (139, 135284), (278, 67642), (556, 33821), (1091, 17236), (2182, 8618), (4309, 4364)]