19946340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110813}}^1$

素因数の和:110828

約数の個数: 36

約数和(自身を含む): 60504444

約数和(自身を除く): 40558104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110813, 221626, 332439, 443252, 554065, 664878, 997317, 1108130, 1329756, 1662195, 1994634, 2216260, 3324390, 3989268, 4986585, 6648780, 9973170, 19946340]

約数ペア:

[(1, 19946340), (2, 9973170), (3, 6648780), (4, 4986585), (5, 3989268), (6, 3324390), (9, 2216260), (10, 1994634), (12, 1662195), (15, 1329756), (18, 1108130), (20, 997317), (30, 664878), (36, 554065), (45, 443252), (60, 332439), (90, 221626), (180, 110813)]