22786990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 42340320

約数和(自身を除く): 19553330

約数列:

[1, 2, 5, 10, 43, 86, 197, 215, 269, 394, 430, 538, 985, 1345, 1970, 2690, 8471, 11567, 16942, 23134, 42355, 52993, 57835, 84710, 105986, 115670, 264965, 529930, 2278699, 4557398, 11393495, 22786990]

約数ペア:

[(1, 22786990), (2, 11393495), (5, 4557398), (10, 2278699), (43, 529930), (86, 264965), (197, 115670), (215, 105986), (269, 84710), (394, 57835), (430, 52993), (538, 42355), (985, 23134), (1345, 16942), (1970, 11567), (2690, 8471)]