18816320

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:607

約数の個数: 56

約数和(自身を含む): 45256704

約数和(自身を除く): 26440384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 463, 508, 635, 926, 1016, 1270, 1852, 2032, 2315, 2540, 3704, 4064, 4630, 5080, 7408, 8128, 9260, 10160, 14816, 18520, 20320, 29632, 37040, 40640, 58801, 74080, 117602, 148160, 235204, 294005, 470408, 588010, 940816, 1176020, 1881632, 2352040, 3763264, 4704080, 9408160, 18816320]

約数ペア:

[(1, 18816320), (2, 9408160), (4, 4704080), (5, 3763264), (8, 2352040), (10, 1881632), (16, 1176020), (20, 940816), (32, 588010), (40, 470408), (64, 294005), (80, 235204), (127, 148160), (160, 117602), (254, 74080), (320, 58801), (463, 40640), (508, 37040), (635, 29632), (926, 20320), (1016, 18520), (1270, 14816), (1852, 10160), (2032, 9260), (2315, 8128), (2540, 7408), (3704, 5080), (4064, 4630)]