19322360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7919}}^1$

素因数の和:7991

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 24871240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7919, 15838, 31676, 39595, 63352, 79190, 158380, 316760, 483059, 966118, 1932236, 2415295, 3864472, 4830590, 9661180, 19322360]

約数ペア:

[(1, 19322360), (2, 9661180), (4, 4830590), (5, 3864472), (8, 2415295), (10, 1932236), (20, 966118), (40, 483059), (61, 316760), (122, 158380), (244, 79190), (305, 63352), (488, 39595), (610, 31676), (1220, 15838), (2440, 7919)]