19315305

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 37444680

約数和(自身を除く): 18129375

約数列:

[1, 3, 5, 9, 15, 19, 29, 41, 45, 57, 87, 95, 123, 145, 171, 205, 261, 285, 361, 369, 435, 551, 615, 779, 855, 1083, 1189, 1305, 1653, 1805, 1845, 2337, 2755, 3249, 3567, 3895, 4959, 5415, 5945, 7011, 8265, 10469, 10701, 11685, 14801, 16245, 17835, 22591, 24795, 31407, 35055, 44403, 52345, 53505, 67773, 74005, 94221, 112955, 133209, 157035, 203319, 222015, 338865, 429229, 471105, 666045, 1016595, 1287687, 2146145, 3863061, 6438435, 19315305]

約数ペア:

[(1, 19315305), (3, 6438435), (5, 3863061), (9, 2146145), (15, 1287687), (19, 1016595), (29, 666045), (41, 471105), (45, 429229), (57, 338865), (87, 222015), (95, 203319), (123, 157035), (145, 133209), (171, 112955), (205, 94221), (261, 74005), (285, 67773), (361, 53505), (369, 52345), (435, 44403), (551, 35055), (615, 31407), (779, 24795), (855, 22591), (1083, 17835), (1189, 16245), (1305, 14801), (1653, 11685), (1805, 10701), (1845, 10469), (2337, 8265), (2755, 7011), (3249, 5945), (3567, 5415), (3895, 4959)]