18369190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 37940544

約数和(自身を除く): 19571354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 661, 794, 1322, 1985, 2779, 3305, 3970, 4627, 5558, 6610, 9254, 13895, 23135, 27790, 46270, 262417, 524834, 1312085, 1836919, 2624170, 3673838, 9184595, 18369190]

約数ペア:

[(1, 18369190), (2, 9184595), (5, 3673838), (7, 2624170), (10, 1836919), (14, 1312085), (35, 524834), (70, 262417), (397, 46270), (661, 27790), (794, 23135), (1322, 13895), (1985, 9254), (2779, 6610), (3305, 5558), (3970, 4627)]