19443820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 45997056

約数和(自身を除く): 26553236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2851, 3410, 5702, 6820, 11404, 14255, 28510, 31361, 57020, 62722, 88381, 125444, 156805, 176762, 313610, 353524, 441905, 627220, 883810, 972191, 1767620, 1944382, 3888764, 4860955, 9721910, 19443820]

約数ペア:

[(1, 19443820), (2, 9721910), (4, 4860955), (5, 3888764), (10, 1944382), (11, 1767620), (20, 972191), (22, 883810), (31, 627220), (44, 441905), (55, 353524), (62, 313610), (110, 176762), (124, 156805), (155, 125444), (220, 88381), (310, 62722), (341, 57020), (620, 31361), (682, 28510), (1364, 14255), (1705, 11404), (2851, 6820), (3410, 5702)]