19625940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1019}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 40521420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1019, 1070, 1284, 1605, 1926, 2038, 2140, 3057, 3210, 3852, 4076, 4815, 5095, 6114, 6420, 9171, 9630, 10190, 12228, 15285, 18342, 19260, 20380, 30570, 36684, 45855, 61140, 91710, 109033, 183420, 218066, 327099, 436132, 545165, 654198, 981297, 1090330, 1308396, 1635495, 1962594, 2180660, 3270990, 3925188, 4906485, 6541980, 9812970, 19625940]

約数ペア:

[(1, 19625940), (2, 9812970), (3, 6541980), (4, 4906485), (5, 3925188), (6, 3270990), (9, 2180660), (10, 1962594), (12, 1635495), (15, 1308396), (18, 1090330), (20, 981297), (30, 654198), (36, 545165), (45, 436132), (60, 327099), (90, 218066), (107, 183420), (180, 109033), (214, 91710), (321, 61140), (428, 45855), (535, 36684), (642, 30570), (963, 20380), (1019, 19260), (1070, 18342), (1284, 15285), (1605, 12228), (1926, 10190), (2038, 9630), (2140, 9171), (3057, 6420), (3210, 6114), (3852, 5095), (4076, 4815)]