18835920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26161}}^1$

素因数の和:26180

約数の個数: 60

約数和(自身を含む): 63259716

約数和(自身を除く): 44423796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26161, 52322, 78483, 104644, 130805, 156966, 209288, 235449, 261610, 313932, 392415, 418576, 470898, 523220, 627864, 784830, 941796, 1046440, 1177245, 1255728, 1569660, 1883592, 2092880, 2354490, 3139320, 3767184, 4708980, 6278640, 9417960, 18835920]

約数ペア:

[(1, 18835920), (2, 9417960), (3, 6278640), (4, 4708980), (5, 3767184), (6, 3139320), (8, 2354490), (9, 2092880), (10, 1883592), (12, 1569660), (15, 1255728), (16, 1177245), (18, 1046440), (20, 941796), (24, 784830), (30, 627864), (36, 523220), (40, 470898), (45, 418576), (48, 392415), (60, 313932), (72, 261610), (80, 235449), (90, 209288), (120, 156966), (144, 130805), (180, 104644), (240, 78483), (360, 52322), (720, 26161)]