19621360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2027}}^1$

素因数の和:2062

約数の個数: 60

約数和(自身を含む): 50168664

約数和(自身を除く): 30547304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2027, 2420, 4054, 4840, 8108, 9680, 10135, 16216, 20270, 22297, 32432, 40540, 44594, 81080, 89188, 111485, 162160, 178376, 222970, 245267, 356752, 445940, 490534, 891880, 981068, 1226335, 1783760, 1962136, 2452670, 3924272, 4905340, 9810680, 19621360]

約数ペア:

[(1, 19621360), (2, 9810680), (4, 4905340), (5, 3924272), (8, 2452670), (10, 1962136), (11, 1783760), (16, 1226335), (20, 981068), (22, 891880), (40, 490534), (44, 445940), (55, 356752), (80, 245267), (88, 222970), (110, 178376), (121, 162160), (176, 111485), (220, 89188), (242, 81080), (440, 44594), (484, 40540), (605, 32432), (880, 22297), (968, 20270), (1210, 16216), (1936, 10135), (2027, 9680), (2420, 8108), (4054, 4840)]