18520942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 31721184

約数和(自身を除く): 13200242

約数列:

[1, 2, 11, 22, 37, 61, 74, 122, 373, 407, 671, 746, 814, 1342, 2257, 4103, 4514, 8206, 13801, 22753, 24827, 27602, 45506, 49654, 151811, 250283, 303622, 500566, 841861, 1683722, 9260471, 18520942]

約数ペア:

[(1, 18520942), (2, 9260471), (11, 1683722), (22, 841861), (37, 500566), (61, 303622), (74, 250283), (122, 151811), (373, 49654), (407, 45506), (671, 27602), (746, 24827), (814, 22753), (1342, 13801), (2257, 8206), (4103, 4514)]