18808802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 31059072

約数和(自身を除く): 12250270

約数列:

[1, 2, 23, 37, 43, 46, 74, 86, 257, 514, 851, 989, 1591, 1702, 1978, 3182, 5911, 9509, 11051, 11822, 19018, 22102, 36593, 73186, 218707, 254173, 408887, 437414, 508346, 817774, 9404401, 18808802]

約数ペア:

[(1, 18808802), (2, 9404401), (23, 817774), (37, 508346), (43, 437414), (46, 408887), (74, 254173), (86, 218707), (257, 73186), (514, 36593), (851, 22102), (989, 19018), (1591, 11822), (1702, 11051), (1978, 9509), (3182, 5911)]