19311120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26821}}^1$

素因数の和:26840

約数の個数: 60

約数和(自身を含む): 64855596

約数和(自身を除く): 45544476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26821, 53642, 80463, 107284, 134105, 160926, 214568, 241389, 268210, 321852, 402315, 429136, 482778, 536420, 643704, 804630, 965556, 1072840, 1206945, 1287408, 1609260, 1931112, 2145680, 2413890, 3218520, 3862224, 4827780, 6437040, 9655560, 19311120]

約数ペア:

[(1, 19311120), (2, 9655560), (3, 6437040), (4, 4827780), (5, 3862224), (6, 3218520), (8, 2413890), (9, 2145680), (10, 1931112), (12, 1609260), (15, 1287408), (16, 1206945), (18, 1072840), (20, 965556), (24, 804630), (30, 643704), (36, 536420), (40, 482778), (45, 429136), (48, 402315), (60, 321852), (72, 268210), (80, 241389), (90, 214568), (120, 160926), (144, 134105), (180, 107284), (240, 80463), (360, 53642), (720, 26821)]