18079640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23789}}^1$

素因数の和:23819

約数の個数: 32

約数和(自身を含む): 42822000

約数和(自身を除く): 24742360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23789, 47578, 95156, 118945, 190312, 237890, 451991, 475780, 903982, 951560, 1807964, 2259955, 3615928, 4519910, 9039820, 18079640]

約数ペア:

[(1, 18079640), (2, 9039820), (4, 4519910), (5, 3615928), (8, 2259955), (10, 1807964), (19, 951560), (20, 903982), (38, 475780), (40, 451991), (76, 237890), (95, 190312), (152, 118945), (190, 95156), (380, 47578), (760, 23789)]