18888909710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3993427}}^1$

素因数の和:3993488

約数の個数: 32

約数和(自身を含む): 37953539712

約数和(自身を除く): 19064630002

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 3993427, 7986854, 19967135, 39934270, 43927697, 87855394, 171717361, 219638485, 343434722, 439276970, 858586805, 1717173610, 1888890971, 3777781942, 9444454855, 18888909710]

約数ペア:

[(1, 18888909710), (2, 9444454855), (5, 3777781942), (10, 1888890971), (11, 1717173610), (22, 858586805), (43, 439276970), (55, 343434722), (86, 219638485), (110, 171717361), (215, 87855394), (430, 43927697), (473, 39934270), (946, 19967135), (2365, 7986854), (4730, 3993427)]