19235415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 32826816

約数和(自身を除く): 13591401

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 313, 723, 939, 1205, 1565, 3615, 4097, 4695, 5321, 12291, 15963, 20485, 26605, 61455, 75433, 79815, 226299, 377165, 1131495, 1282361, 3847083, 6411805, 19235415]

約数ペア:

[(1, 19235415), (3, 6411805), (5, 3847083), (15, 1282361), (17, 1131495), (51, 377165), (85, 226299), (241, 79815), (255, 75433), (313, 61455), (723, 26605), (939, 20485), (1205, 15963), (1565, 12291), (3615, 5321), (4097, 4695)]