19568560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 51059232

約数和(自身を除く): 31490672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 601, 740, 814, 880, 1202, 1480, 1628, 2035, 2404, 2960, 3005, 3256, 4070, 4808, 6010, 6512, 6611, 8140, 9616, 12020, 13222, 16280, 22237, 24040, 26444, 32560, 33055, 44474, 48080, 52888, 66110, 88948, 105776, 111185, 132220, 177896, 222370, 244607, 264440, 355792, 444740, 489214, 528880, 889480, 978428, 1223035, 1778960, 1956856, 2446070, 3913712, 4892140, 9784280, 19568560]

約数ペア:

[(1, 19568560), (2, 9784280), (4, 4892140), (5, 3913712), (8, 2446070), (10, 1956856), (11, 1778960), (16, 1223035), (20, 978428), (22, 889480), (37, 528880), (40, 489214), (44, 444740), (55, 355792), (74, 264440), (80, 244607), (88, 222370), (110, 177896), (148, 132220), (176, 111185), (185, 105776), (220, 88948), (296, 66110), (370, 52888), (407, 48080), (440, 44474), (592, 33055), (601, 32560), (740, 26444), (814, 24040), (880, 22237), (1202, 16280), (1480, 13222), (1628, 12020), (2035, 9616), (2404, 8140), (2960, 6611), (3005, 6512), (3256, 6010), (4070, 4808)]