18038390

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 33336576

約数和(自身を除く): 15298186

約数列:

[1, 2, 5, 10, 83, 103, 166, 206, 211, 415, 422, 515, 830, 1030, 1055, 2110, 8549, 17098, 17513, 21733, 35026, 42745, 43466, 85490, 87565, 108665, 175130, 217330, 1803839, 3607678, 9019195, 18038390]

約数ペア:

[(1, 18038390), (2, 9019195), (5, 3607678), (10, 1803839), (83, 217330), (103, 175130), (166, 108665), (206, 87565), (211, 85490), (415, 43466), (422, 42745), (515, 35026), (830, 21733), (1030, 17513), (1055, 17098), (2110, 8549)]