19870440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165587}}^1$

素因数の和:165601

約数の個数: 32

約数和(自身を含む): 59611680

約数和(自身を除く): 39741240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165587, 331174, 496761, 662348, 827935, 993522, 1324696, 1655870, 1987044, 2483805, 3311740, 3974088, 4967610, 6623480, 9935220, 19870440]

約数ペア:

[(1, 19870440), (2, 9935220), (3, 6623480), (4, 4967610), (5, 3974088), (6, 3311740), (8, 2483805), (10, 1987044), (12, 1655870), (15, 1324696), (20, 993522), (24, 827935), (30, 662348), (40, 496761), (60, 331174), (120, 165587)]