19171440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26627}}^1$

素因数の和:26646

約数の個数: 60

約数和(自身を含む): 64386504

約数和(自身を除く): 45215064

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, 26627, 53254, 79881, 106508, 133135, 159762, 213016, 239643, 266270, 319524, 399405, 426032, 479286, 532540, 639048, 798810, 958572, 1065080, 1198215, 1278096, 1597620, 1917144, 2130160, 2396430, 3195240, 3834288, 4792860, 6390480, 9585720, 19171440]

約数ペア:

[(1, 19171440), (2, 9585720), (3, 6390480), (4, 4792860), (5, 3834288), (6, 3195240), (8, 2396430), (9, 2130160), (10, 1917144), (12, 1597620), (15, 1278096), (16, 1198215), (18, 1065080), (20, 958572), (24, 798810), (30, 639048), (36, 532540), (40, 479286), (45, 426032), (48, 399405), (60, 319524), (72, 266270), (80, 239643), (90, 213016), (120, 159762), (144, 133135), (180, 106508), (240, 79881), (360, 53254), (720, 26627)]