19226680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 48509280

約数和(自身を除く): 29282600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1181, 1480, 1628, 2035, 2362, 3256, 4070, 4724, 5905, 8140, 9448, 11810, 12991, 16280, 23620, 25982, 43697, 47240, 51964, 64955, 87394, 103928, 129910, 174788, 218485, 259820, 349576, 436970, 480667, 519640, 873940, 961334, 1747880, 1922668, 2403335, 3845336, 4806670, 9613340, 19226680]

約数ペア:

[(1, 19226680), (2, 9613340), (4, 4806670), (5, 3845336), (8, 2403335), (10, 1922668), (11, 1747880), (20, 961334), (22, 873940), (37, 519640), (40, 480667), (44, 436970), (55, 349576), (74, 259820), (88, 218485), (110, 174788), (148, 129910), (185, 103928), (220, 87394), (296, 64955), (370, 51964), (407, 47240), (440, 43697), (740, 25982), (814, 23620), (1181, 16280), (1480, 12991), (1628, 11810), (2035, 9448), (2362, 8140), (3256, 5905), (4070, 4724)]