19224650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 37616640

約数和(自身を除く): 18391990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 155, 157, 158, 310, 314, 395, 775, 785, 790, 1550, 1570, 1975, 2449, 3925, 3950, 4867, 4898, 7850, 9734, 12245, 12403, 24335, 24490, 24806, 48670, 61225, 62015, 121675, 122450, 124030, 243350, 310075, 384493, 620150, 768986, 1922465, 3844930, 9612325, 19224650]

約数ペア:

[(1, 19224650), (2, 9612325), (5, 3844930), (10, 1922465), (25, 768986), (31, 620150), (50, 384493), (62, 310075), (79, 243350), (155, 124030), (157, 122450), (158, 121675), (310, 62015), (314, 61225), (395, 48670), (775, 24806), (785, 24490), (790, 24335), (1550, 12403), (1570, 12245), (1975, 9734), (2449, 7850), (3925, 4898), (3950, 4867)]