18306348520

素因数分解:

$2^3\times 5^1\times {\mathrm{12541}}^1\times {\mathrm{36493}}^1$

素因数の和:49045

約数の個数: 32

約数和(自身を含む): 41193697320

約数和(自身を除く): 22887348800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12541, 25082, 36493, 50164, 62705, 72986, 100328, 125410, 145972, 182465, 250820, 291944, 364930, 501640, 729860, 1459720, 457658713, 915317426, 1830634852, 2288293565, 3661269704, 4576587130, 9153174260, 18306348520]

約数ペア:

[(1, 18306348520), (2, 9153174260), (4, 4576587130), (5, 3661269704), (8, 2288293565), (10, 1830634852), (20, 915317426), (40, 457658713), (12541, 1459720), (25082, 729860), (36493, 501640), (50164, 364930), (62705, 291944), (72986, 250820), (100328, 182465), (125410, 145972)]