19102820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 45190656

約数和(自身を除く): 26087836

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, 2801, 3410, 5602, 6820, 11204, 14005, 28010, 30811, 56020, 61622, 86831, 123244, 154055, 173662, 308110, 347324, 434155, 616220, 868310, 955141, 1736620, 1910282, 3820564, 4775705, 9551410, 19102820]

約数ペア:

[(1, 19102820), (2, 9551410), (4, 4775705), (5, 3820564), (10, 1910282), (11, 1736620), (20, 955141), (22, 868310), (31, 616220), (44, 434155), (55, 347324), (62, 308110), (110, 173662), (124, 154055), (155, 123244), (220, 86831), (310, 61622), (341, 56020), (620, 30811), (682, 28010), (1364, 14005), (1705, 11204), (2801, 6820), (3410, 5602)]