19804798980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110026661}}^1$

素因数の和:110026676

約数の個数: 36

約数和(自身を含む): 60074557452

約数和(自身を除く): 40269758472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110026661, 220053322, 330079983, 440106644, 550133305, 660159966, 990239949, 1100266610, 1320319932, 1650399915, 1980479898, 2200533220, 3300799830, 3960959796, 4951199745, 6601599660, 9902399490, 19804798980]

約数ペア:

[(1, 19804798980), (2, 9902399490), (3, 6601599660), (4, 4951199745), (5, 3960959796), (6, 3300799830), (9, 2200533220), (10, 1980479898), (12, 1650399915), (15, 1320319932), (18, 1100266610), (20, 990239949), (30, 660159966), (36, 550133305), (45, 440106644), (60, 330079983), (90, 220053322), (180, 110026661)]