18994860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105527}}^1$

素因数の和:105542

約数の個数: 36

約数和(自身を含む): 57618288

約数和(自身を除く): 38623428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105527, 211054, 316581, 422108, 527635, 633162, 949743, 1055270, 1266324, 1582905, 1899486, 2110540, 3165810, 3798972, 4748715, 6331620, 9497430, 18994860]

約数ペア:

[(1, 18994860), (2, 9497430), (3, 6331620), (4, 4748715), (5, 3798972), (6, 3165810), (9, 2110540), (10, 1899486), (12, 1582905), (15, 1266324), (18, 1055270), (20, 949743), (30, 633162), (36, 527635), (45, 422108), (60, 316581), (90, 211054), (180, 105527)]