17988070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 34043328

約数和(自身を除く): 16055258

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 397, 794, 985, 1970, 1985, 3970, 4531, 9062, 9131, 18262, 22655, 45310, 45655, 78209, 91310, 156418, 391045, 782090, 1798807, 3597614, 8994035, 17988070]

約数ペア:

[(1, 17988070), (2, 8994035), (5, 3597614), (10, 1798807), (23, 782090), (46, 391045), (115, 156418), (197, 91310), (230, 78209), (394, 45655), (397, 45310), (794, 22655), (985, 18262), (1970, 9131), (1985, 9062), (3970, 4531)]