19014820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4549}}^1$

素因数の和:4588

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 26849180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4549, 9098, 18196, 22745, 45490, 50039, 86431, 90980, 100078, 172862, 200156, 250195, 345724, 432155, 500390, 864310, 950741, 1000780, 1728620, 1901482, 3802964, 4753705, 9507410, 19014820]

約数ペア:

[(1, 19014820), (2, 9507410), (4, 4753705), (5, 3802964), (10, 1901482), (11, 1728620), (19, 1000780), (20, 950741), (22, 864310), (38, 500390), (44, 432155), (55, 345724), (76, 250195), (95, 200156), (110, 172862), (190, 100078), (209, 90980), (220, 86431), (380, 50039), (418, 45490), (836, 22745), (1045, 18196), (2090, 9098), (4180, 4549)]