18438768

素因数分解:

$2^4\times 3^2\times {\mathrm{128047}}^1$

素因数の和:128061

約数の個数: 30

約数和(自身を含む): 51603344

約数和(自身を除く): 33164576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 128047, 256094, 384141, 512188, 768282, 1024376, 1152423, 1536564, 2048752, 2304846, 3073128, 4609692, 6146256, 9219384, 18438768]

約数ペア:

[(1, 18438768), (2, 9219384), (3, 6146256), (4, 4609692), (6, 3073128), (8, 2304846), (9, 2048752), (12, 1536564), (16, 1152423), (18, 1024376), (24, 768282), (36, 512188), (48, 384141), (72, 256094), (144, 128047)]