19011220

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{983}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 20994284

約数列:

[1, 2, 4, 5, 10, 20, 967, 983, 1934, 1966, 3868, 3932, 4835, 4915, 9670, 9830, 19340, 19660, 950561, 1901122, 3802244, 4752805, 9505610, 19011220]

約数ペア:

[(1, 19011220), (2, 9505610), (4, 4752805), (5, 3802244), (10, 1901122), (20, 950561), (967, 19660), (983, 19340), (1934, 9830), (1966, 9670), (3868, 4915), (3932, 4835)]