19262740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 46513152

約数和(自身を除く): 27250412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 617, 892, 1115, 1234, 1561, 2230, 2468, 3085, 3122, 4319, 4460, 6170, 6244, 7805, 8638, 12340, 15610, 17276, 21595, 31220, 43190, 86380, 137591, 275182, 550364, 687955, 963137, 1375910, 1926274, 2751820, 3852548, 4815685, 9631370, 19262740]

約数ペア:

[(1, 19262740), (2, 9631370), (4, 4815685), (5, 3852548), (7, 2751820), (10, 1926274), (14, 1375910), (20, 963137), (28, 687955), (35, 550364), (70, 275182), (140, 137591), (223, 86380), (446, 43190), (617, 31220), (892, 21595), (1115, 17276), (1234, 15610), (1561, 12340), (2230, 8638), (2468, 7805), (3085, 6244), (3122, 6170), (4319, 4460)]