19187820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35533}}^1$

素因数の和:35551

約数の個数: 48

約数和(自身を含む): 59697120

約数和(自身を除く): 40509300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35533, 71066, 106599, 142132, 177665, 213198, 319797, 355330, 426396, 532995, 639594, 710660, 959391, 1065990, 1279188, 1598985, 1918782, 2131980, 3197970, 3837564, 4796955, 6395940, 9593910, 19187820]

約数ペア:

[(1, 19187820), (2, 9593910), (3, 6395940), (4, 4796955), (5, 3837564), (6, 3197970), (9, 2131980), (10, 1918782), (12, 1598985), (15, 1279188), (18, 1065990), (20, 959391), (27, 710660), (30, 639594), (36, 532995), (45, 426396), (54, 355330), (60, 319797), (90, 213198), (108, 177665), (135, 142132), (180, 106599), (270, 71066), (540, 35533)]