18724990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4789}}^1$

素因数の和:4836

約数の個数: 32

約数和(自身を含む): 37247040

約数和(自身を除く): 18522050

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 4789, 9578, 23945, 47890, 81413, 110147, 162826, 220294, 407065, 550735, 814130, 1101470, 1872499, 3744998, 9362495, 18724990]

約数ペア:

[(1, 18724990), (2, 9362495), (5, 3744998), (10, 1872499), (17, 1101470), (23, 814130), (34, 550735), (46, 407065), (85, 220294), (115, 162826), (170, 110147), (230, 81413), (391, 47890), (782, 23945), (1955, 9578), (3910, 4789)]