17880398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 28957824

約数和(自身を除く): 11077426

約数列:

[1, 2, 37, 47, 53, 74, 94, 97, 106, 194, 1739, 1961, 2491, 3478, 3589, 3922, 4559, 4982, 5141, 7178, 9118, 10282, 92167, 168683, 184334, 190217, 241627, 337366, 380434, 483254, 8940199, 17880398]

約数ペア:

[(1, 17880398), (2, 8940199), (37, 483254), (47, 380434), (53, 337366), (74, 241627), (94, 190217), (97, 184334), (106, 168683), (194, 92167), (1739, 10282), (1961, 9118), (2491, 7178), (3478, 5141), (3589, 4982), (3922, 4559)]