18371632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 37775360

約数和(自身を除く): 19403728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 223, 271, 304, 446, 542, 892, 1084, 1784, 2168, 3568, 4237, 4336, 5149, 8474, 10298, 16948, 20596, 33896, 41192, 60433, 67792, 82384, 120866, 241732, 483464, 966928, 1148227, 2296454, 4592908, 9185816, 18371632]

約数ペア:

[(1, 18371632), (2, 9185816), (4, 4592908), (8, 2296454), (16, 1148227), (19, 966928), (38, 483464), (76, 241732), (152, 120866), (223, 82384), (271, 67792), (304, 60433), (446, 41192), (542, 33896), (892, 20596), (1084, 16948), (1784, 10298), (2168, 8474), (3568, 5149), (4237, 4336)]