17993480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 43856640

約数和(自身を除く): 25863160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 563, 680, 799, 940, 1126, 1598, 1880, 2252, 2815, 3196, 3995, 4504, 5630, 6392, 7990, 9571, 11260, 15980, 19142, 22520, 26461, 31960, 38284, 47855, 52922, 76568, 95710, 105844, 132305, 191420, 211688, 264610, 382840, 449837, 529220, 899674, 1058440, 1799348, 2249185, 3598696, 4498370, 8996740, 17993480]

約数ペア:

[(1, 17993480), (2, 8996740), (4, 4498370), (5, 3598696), (8, 2249185), (10, 1799348), (17, 1058440), (20, 899674), (34, 529220), (40, 449837), (47, 382840), (68, 264610), (85, 211688), (94, 191420), (136, 132305), (170, 105844), (188, 95710), (235, 76568), (340, 52922), (376, 47855), (470, 38284), (563, 31960), (680, 26461), (799, 22520), (940, 19142), (1126, 15980), (1598, 11260), (1880, 9571), (2252, 7990), (2815, 6392), (3196, 5630), (3995, 4504)]