18668930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1597}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 38658816

約数和(自身を除く): 19989886

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1597, 1670, 2338, 3194, 5845, 7985, 11179, 11690, 15970, 22358, 55895, 111790, 266699, 533398, 1333495, 1866893, 2666990, 3733786, 9334465, 18668930]

約数ペア:

[(1, 18668930), (2, 9334465), (5, 3733786), (7, 2666990), (10, 1866893), (14, 1333495), (35, 533398), (70, 266699), (167, 111790), (334, 55895), (835, 22358), (1169, 15970), (1597, 11690), (1670, 11179), (2338, 7985), (3194, 5845)]