19990436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1973}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 37308600

約数和(自身を除く): 17318164

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 1973, 2533, 3946, 5066, 7892, 10132, 33541, 67082, 134164, 293977, 587954, 1175908, 4997609, 9995218, 19990436]

約数ペア:

[(1, 19990436), (2, 9995218), (4, 4997609), (17, 1175908), (34, 587954), (68, 293977), (149, 134164), (298, 67082), (596, 33541), (1973, 10132), (2533, 7892), (3946, 5066)]