19314925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 29779840

約数和(自身を除く): 10464915

約数列:

[1, 5, 7, 19, 25, 35, 37, 95, 133, 157, 175, 185, 259, 475, 665, 703, 785, 925, 1099, 1295, 2983, 3325, 3515, 3925, 4921, 5495, 5809, 6475, 14915, 17575, 20881, 24605, 27475, 29045, 40663, 74575, 104405, 110371, 123025, 145225, 203315, 522025, 551855, 772597, 1016575, 2759275, 3862985, 19314925]

約数ペア:

[(1, 19314925), (5, 3862985), (7, 2759275), (19, 1016575), (25, 772597), (35, 551855), (37, 522025), (95, 203315), (133, 145225), (157, 123025), (175, 110371), (185, 104405), (259, 74575), (475, 40663), (665, 29045), (703, 27475), (785, 24605), (925, 20881), (1099, 17575), (1295, 14915), (2983, 6475), (3325, 5809), (3515, 5495), (3925, 4921)]