18701224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 37368000

約数和(自身を除く): 18666776

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 691, 796, 1382, 1592, 2764, 3383, 5528, 6766, 11747, 13532, 23494, 27064, 46988, 93976, 137509, 275018, 550036, 1100072, 2337653, 4675306, 9350612, 18701224]

約数ペア:

[(1, 18701224), (2, 9350612), (4, 4675306), (8, 2337653), (17, 1100072), (34, 550036), (68, 275018), (136, 137509), (199, 93976), (398, 46988), (691, 27064), (796, 23494), (1382, 13532), (1592, 11747), (2764, 6766), (3383, 5528)]