18883906240

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{246913}}^1$

素因数の和:247169

約数の個数: 56

約数和(自身を含む): 45155632320

約数和(自身を除く): 26271726080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 15296, 19120, 38240, 76480, 246913, 493826, 987652, 1234565, 1975304, 2469130, 3950608, 4938260, 7901216, 9876520, 15802432, 19753040, 39506080, 59012207, 79012160, 118024414, 236048828, 295061035, 472097656, 590122070, 944195312, 1180244140, 1888390624, 2360488280, 3776781248, 4720976560, 9441953120, 18883906240]

約数ペア:

[(1, 18883906240), (2, 9441953120), (4, 4720976560), (5, 3776781248), (8, 2360488280), (10, 1888390624), (16, 1180244140), (20, 944195312), (32, 590122070), (40, 472097656), (64, 295061035), (80, 236048828), (160, 118024414), (239, 79012160), (320, 59012207), (478, 39506080), (956, 19753040), (1195, 15802432), (1912, 9876520), (2390, 7901216), (3824, 4938260), (4780, 3950608), (7648, 2469130), (9560, 1975304), (15296, 1234565), (19120, 987652), (38240, 493826), (76480, 246913)]