19848380

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1973}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 41785632

約数和(自身を除く): 21937252

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1973, 2012, 2515, 3946, 5030, 7892, 9865, 10060, 19730, 39460, 992419, 1984838, 3969676, 4962095, 9924190, 19848380]

約数ペア:

[(1, 19848380), (2, 9924190), (4, 4962095), (5, 3969676), (10, 1984838), (20, 992419), (503, 39460), (1006, 19730), (1973, 10060), (2012, 9865), (2515, 7892), (3946, 5030)]