19019080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11597}}^1$

素因数の和:11649

約数の個数: 32

約数和(自身を含む): 43840440

約数和(自身を除く): 24821360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11597, 23194, 46388, 57985, 92776, 115970, 231940, 463880, 475477, 950954, 1901908, 2377385, 3803816, 4754770, 9509540, 19019080]

約数ペア:

[(1, 19019080), (2, 9509540), (4, 4754770), (5, 3803816), (8, 2377385), (10, 1901908), (20, 950954), (40, 475477), (41, 463880), (82, 231940), (164, 115970), (205, 92776), (328, 57985), (410, 46388), (820, 23194), (1640, 11597)]