18867910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30931}}^1$

素因数の和:30999

約数の個数: 16

約数和(自身を含む): 34520112

約数和(自身を除く): 15652202

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30931, 61862, 154655, 309310, 1886791, 3773582, 9433955, 18867910]

約数ペア:

[(1, 18867910), (2, 9433955), (5, 3773582), (10, 1886791), (61, 309310), (122, 154655), (305, 61862), (610, 30931)]