19183420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30941}}^1$

素因数の和:30981

約数の個数: 24

約数和(自身を含む): 41586048

約数和(自身を除く): 22402628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30941, 61882, 123764, 154705, 309410, 618820, 959171, 1918342, 3836684, 4795855, 9591710, 19183420]

約数ペア:

[(1, 19183420), (2, 9591710), (4, 4795855), (5, 3836684), (10, 1918342), (20, 959171), (31, 618820), (62, 309410), (124, 154705), (155, 123764), (310, 61882), (620, 30941)]