19181910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 51611904

約数和(自身を除く): 32429994

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1571, 2035, 2442, 3142, 4070, 4713, 6105, 7855, 9426, 12210, 15710, 17281, 23565, 34562, 47130, 51843, 58127, 86405, 103686, 116254, 172810, 174381, 259215, 290635, 348762, 518430, 581270, 639397, 871905, 1278794, 1743810, 1918191, 3196985, 3836382, 6393970, 9590955, 19181910]

約数ペア:

[(1, 19181910), (2, 9590955), (3, 6393970), (5, 3836382), (6, 3196985), (10, 1918191), (11, 1743810), (15, 1278794), (22, 871905), (30, 639397), (33, 581270), (37, 518430), (55, 348762), (66, 290635), (74, 259215), (110, 174381), (111, 172810), (165, 116254), (185, 103686), (222, 86405), (330, 58127), (370, 51843), (407, 47130), (555, 34562), (814, 23565), (1110, 17281), (1221, 15710), (1571, 12210), (2035, 9426), (2442, 7855), (3142, 6105), (4070, 4713)]