11955940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 26853120

約数和(自身を除く): 14897180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 431, 730, 862, 1387, 1460, 1724, 2155, 2774, 4310, 5548, 6935, 8189, 8620, 13870, 16378, 27740, 31463, 32756, 40945, 62926, 81890, 125852, 157315, 163780, 314630, 597797, 629260, 1195594, 2391188, 2988985, 5977970, 11955940]

約数ペア:

[(1, 11955940), (2, 5977970), (4, 2988985), (5, 2391188), (10, 1195594), (19, 629260), (20, 597797), (38, 314630), (73, 163780), (76, 157315), (95, 125852), (146, 81890), (190, 62926), (292, 40945), (365, 32756), (380, 31463), (431, 27740), (730, 16378), (862, 13870), (1387, 8620), (1460, 8189), (1724, 6935), (2155, 5548), (2774, 4310)]