19198980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{106661}}^1$

素因数の和:106676

約数の個数: 36

約数和(自身を含む): 58237452

約数和(自身を除く): 39038472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 106661, 213322, 319983, 426644, 533305, 639966, 959949, 1066610, 1279932, 1599915, 1919898, 2133220, 3199830, 3839796, 4799745, 6399660, 9599490, 19198980]

約数ペア:

[(1, 19198980), (2, 9599490), (3, 6399660), (4, 4799745), (5, 3839796), (6, 3199830), (9, 2133220), (10, 1919898), (12, 1599915), (15, 1279932), (18, 1066610), (20, 959949), (30, 639966), (36, 533305), (45, 426644), (60, 319983), (90, 213322), (180, 106661)]