19742640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82261}}^1$

素因数の和:82277

約数の個数: 40

約数和(自身を含む): 61202928

約数和(自身を除く): 41460288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82261, 164522, 246783, 329044, 411305, 493566, 658088, 822610, 987132, 1233915, 1316176, 1645220, 1974264, 2467830, 3290440, 3948528, 4935660, 6580880, 9871320, 19742640]

約数ペア:

[(1, 19742640), (2, 9871320), (3, 6580880), (4, 4935660), (5, 3948528), (6, 3290440), (8, 2467830), (10, 1974264), (12, 1645220), (15, 1316176), (16, 1233915), (20, 987132), (24, 822610), (30, 658088), (40, 493566), (48, 411305), (60, 329044), (80, 246783), (120, 164522), (240, 82261)]