38555180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 85784160

約数和(自身を除く): 47228980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 421, 482, 842, 964, 1205, 1684, 2105, 2410, 4210, 4579, 4820, 7999, 8420, 9158, 15998, 18316, 22895, 31996, 39995, 45790, 79990, 91580, 101461, 159980, 202922, 405844, 507305, 1014610, 1927759, 2029220, 3855518, 7711036, 9638795, 19277590, 38555180]

約数ペア:

[(1, 38555180), (2, 19277590), (4, 9638795), (5, 7711036), (10, 3855518), (19, 2029220), (20, 1927759), (38, 1014610), (76, 507305), (95, 405844), (190, 202922), (241, 159980), (380, 101461), (421, 91580), (482, 79990), (842, 45790), (964, 39995), (1205, 31996), (1684, 22895), (2105, 18316), (2410, 15998), (4210, 9158), (4579, 8420), (4820, 7999)]