19180460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73771}}^1$

素因数の和:73793

約数の個数: 24

約数和(自身を含む): 43377936

約数和(自身を除く): 24197476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73771, 147542, 295084, 368855, 737710, 959023, 1475420, 1918046, 3836092, 4795115, 9590230, 19180460]

約数ペア:

[(1, 19180460), (2, 9590230), (4, 4795115), (5, 3836092), (10, 1918046), (13, 1475420), (20, 959023), (26, 737710), (52, 368855), (65, 295084), (130, 147542), (260, 73771)]