18959330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20231710

約数列:

[1, 2, 5, 10, 13, 26, 29, 47, 58, 65, 94, 107, 130, 145, 214, 235, 290, 377, 470, 535, 611, 754, 1070, 1222, 1363, 1391, 1885, 2726, 2782, 3055, 3103, 3770, 5029, 6110, 6206, 6815, 6955, 10058, 13630, 13910, 15515, 17719, 25145, 31030, 35438, 40339, 50290, 65377, 80678, 88595, 130754, 145841, 177190, 201695, 291682, 326885, 403390, 653770, 729205, 1458410, 1895933, 3791866, 9479665, 18959330]

約数ペア:

[(1, 18959330), (2, 9479665), (5, 3791866), (10, 1895933), (13, 1458410), (26, 729205), (29, 653770), (47, 403390), (58, 326885), (65, 291682), (94, 201695), (107, 177190), (130, 145841), (145, 130754), (214, 88595), (235, 80678), (290, 65377), (377, 50290), (470, 40339), (535, 35438), (611, 31030), (754, 25145), (1070, 17719), (1222, 15515), (1363, 13910), (1391, 13630), (1885, 10058), (2726, 6955), (2782, 6815), (3055, 6206), (3103, 6110), (3770, 5029)]