19681245

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7673}}^1$

素因数の和:7706

約数の個数: 32

約数和(自身を含む): 36835200

約数和(自身を除く): 17153955

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7673, 23019, 38365, 69057, 115095, 145787, 207171, 345285, 437361, 728935, 1035855, 1312083, 2186805, 3936249, 6560415, 19681245]

約数ペア:

[(1, 19681245), (3, 6560415), (5, 3936249), (9, 2186805), (15, 1312083), (19, 1035855), (27, 728935), (45, 437361), (57, 345285), (95, 207171), (135, 145787), (171, 115095), (285, 69057), (513, 38365), (855, 23019), (2565, 7673)]