19293040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1427}}^1$

素因数の和:1466

約数の個数: 60

約数和(自身を含む): 48606264

約数和(自身を除く): 29313224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1427, 1690, 2704, 2854, 3380, 5708, 6760, 7135, 11416, 13520, 14270, 18551, 22832, 28540, 37102, 57080, 74204, 92755, 114160, 148408, 185510, 241163, 296816, 371020, 482326, 742040, 964652, 1205815, 1484080, 1929304, 2411630, 3858608, 4823260, 9646520, 19293040]

約数ペア:

[(1, 19293040), (2, 9646520), (4, 4823260), (5, 3858608), (8, 2411630), (10, 1929304), (13, 1484080), (16, 1205815), (20, 964652), (26, 742040), (40, 482326), (52, 371020), (65, 296816), (80, 241163), (104, 185510), (130, 148408), (169, 114160), (208, 92755), (260, 74204), (338, 57080), (520, 37102), (676, 28540), (845, 22832), (1040, 18551), (1352, 14270), (1427, 13520), (1690, 11416), (2704, 7135), (2854, 6760), (3380, 5708)]