19902930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21401}}^1$

素因数の和:21442

約数の個数: 32

約数和(自身を含む): 49310208

約数和(自身を除く): 29407278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21401, 42802, 64203, 107005, 128406, 214010, 321015, 642030, 663431, 1326862, 1990293, 3317155, 3980586, 6634310, 9951465, 19902930]

約数ペア:

[(1, 19902930), (2, 9951465), (3, 6634310), (5, 3980586), (6, 3317155), (10, 1990293), (15, 1326862), (30, 663431), (31, 642030), (62, 321015), (93, 214010), (155, 128406), (186, 107005), (310, 64203), (465, 42802), (930, 21401)]