18866080

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 45325224

約数和(自身を除く): 26459144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1933, 1952, 2440, 3866, 4880, 7732, 9665, 9760, 15464, 19330, 30928, 38660, 61856, 77320, 117913, 154640, 235826, 309280, 471652, 589565, 943304, 1179130, 1886608, 2358260, 3773216, 4716520, 9433040, 18866080]

約数ペア:

[(1, 18866080), (2, 9433040), (4, 4716520), (5, 3773216), (8, 2358260), (10, 1886608), (16, 1179130), (20, 943304), (32, 589565), (40, 471652), (61, 309280), (80, 235826), (122, 154640), (160, 117913), (244, 77320), (305, 61856), (488, 38660), (610, 30928), (976, 19330), (1220, 15464), (1933, 9760), (1952, 9665), (2440, 7732), (3866, 4880)]