19602550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 41180400

約数和(自身を除く): 21577850

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1229, 1450, 1595, 2458, 3190, 6145, 7975, 12290, 13519, 15950, 27038, 30725, 35641, 61450, 67595, 71282, 135190, 178205, 337975, 356410, 392051, 675950, 784102, 891025, 1782050, 1960255, 3920510, 9801275, 19602550]

約数ペア:

[(1, 19602550), (2, 9801275), (5, 3920510), (10, 1960255), (11, 1782050), (22, 891025), (25, 784102), (29, 675950), (50, 392051), (55, 356410), (58, 337975), (110, 178205), (145, 135190), (275, 71282), (290, 67595), (319, 61450), (550, 35641), (638, 30725), (725, 27038), (1229, 15950), (1450, 13519), (1595, 12290), (2458, 7975), (3190, 6145)]