18883947740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{604867}}^1$

素因数の和:605106

約数の個数: 48

約数和(自身を含む): 45524785152

約数和(自身を除く): 26640837412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 15610, 31220, 604867, 1209734, 2419468, 3024335, 4234069, 6048670, 8468138, 12097340, 16936276, 21170345, 42340690, 84681380, 134885341, 269770682, 539541364, 674426705, 944197387, 1348853410, 1888394774, 2697706820, 3776789548, 4720986935, 9441973870, 18883947740]

約数ペア:

[(1, 18883947740), (2, 9441973870), (4, 4720986935), (5, 3776789548), (7, 2697706820), (10, 1888394774), (14, 1348853410), (20, 944197387), (28, 674426705), (35, 539541364), (70, 269770682), (140, 134885341), (223, 84681380), (446, 42340690), (892, 21170345), (1115, 16936276), (1561, 12097340), (2230, 8468138), (3122, 6048670), (4460, 4234069), (6244, 3024335), (7805, 2419468), (15610, 1209734), (31220, 604867)]