19487220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10477}}^1$

素因数の和:10520

約数の個数: 48

約数和(自身を含む): 56329728

約数和(自身を除く): 36842508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10477, 20954, 31431, 41908, 52385, 62862, 104770, 125724, 157155, 209540, 314310, 324787, 628620, 649574, 974361, 1299148, 1623935, 1948722, 3247870, 3897444, 4871805, 6495740, 9743610, 19487220]

約数ペア:

[(1, 19487220), (2, 9743610), (3, 6495740), (4, 4871805), (5, 3897444), (6, 3247870), (10, 1948722), (12, 1623935), (15, 1299148), (20, 974361), (30, 649574), (31, 628620), (60, 324787), (62, 314310), (93, 209540), (124, 157155), (155, 125724), (186, 104770), (310, 62862), (372, 52385), (465, 41908), (620, 31431), (930, 20954), (1860, 10477)]