11991850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 13319030

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 971, 1235, 1942, 2470, 4855, 6175, 9710, 12350, 12623, 18449, 24275, 25246, 36898, 48550, 63115, 92245, 126230, 184490, 239837, 315575, 461225, 479674, 631150, 922450, 1199185, 2398370, 5995925, 11991850]

約数ペア:

[(1, 11991850), (2, 5995925), (5, 2398370), (10, 1199185), (13, 922450), (19, 631150), (25, 479674), (26, 461225), (38, 315575), (50, 239837), (65, 184490), (95, 126230), (130, 92245), (190, 63115), (247, 48550), (325, 36898), (475, 25246), (494, 24275), (650, 18449), (950, 12623), (971, 12350), (1235, 9710), (1942, 6175), (2470, 4855)]