19039460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25776220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2339, 4070, 4678, 8140, 9356, 11695, 23390, 25729, 46780, 51458, 86543, 102916, 128645, 173086, 257290, 346172, 432715, 514580, 865430, 951973, 1730860, 1903946, 3807892, 4759865, 9519730, 19039460]

約数ペア:

[(1, 19039460), (2, 9519730), (4, 4759865), (5, 3807892), (10, 1903946), (11, 1730860), (20, 951973), (22, 865430), (37, 514580), (44, 432715), (55, 346172), (74, 257290), (110, 173086), (148, 128645), (185, 102916), (220, 86543), (370, 51458), (407, 46780), (740, 25729), (814, 23390), (1628, 11695), (2035, 9356), (2339, 8140), (4070, 4678)]