18883980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104911}}^1$

素因数の和:104926

約数の個数: 36

約数和(自身を含む): 57281952

約数和(自身を除く): 38397972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104911, 209822, 314733, 419644, 524555, 629466, 944199, 1049110, 1258932, 1573665, 1888398, 2098220, 3147330, 3776796, 4720995, 6294660, 9441990, 18883980]

約数ペア:

[(1, 18883980), (2, 9441990), (3, 6294660), (4, 4720995), (5, 3776796), (6, 3147330), (9, 2098220), (10, 1888398), (12, 1573665), (15, 1258932), (18, 1049110), (20, 944199), (30, 629466), (36, 524555), (45, 419644), (60, 314733), (90, 209822), (180, 104911)]