1907020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 4050144

約数和(自身を除く): 2143124

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 983, 1940, 1966, 3932, 4915, 9830, 19660, 95351, 190702, 381404, 476755, 953510, 1907020]

約数ペア:

[(1, 1907020), (2, 953510), (4, 476755), (5, 381404), (10, 190702), (20, 95351), (97, 19660), (194, 9830), (388, 4915), (485, 3932), (970, 1966), (983, 1940)]