19964016

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 80

約数和(自身を含む): 58900000

約数和(自身を除く): 38935984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1249, 1332, 1776, 1998, 2498, 2664, 3747, 3996, 4996, 5328, 7494, 7992, 9992, 11241, 14988, 15984, 19984, 22482, 29976, 33723, 44964, 46213, 59952, 67446, 89928, 92426, 134892, 138639, 179856, 184852, 269784, 277278, 369704, 415917, 539568, 554556, 739408, 831834, 1109112, 1247751, 1663668, 2218224, 2495502, 3327336, 4991004, 6654672, 9982008, 19964016]

約数ペア:

[(1, 19964016), (2, 9982008), (3, 6654672), (4, 4991004), (6, 3327336), (8, 2495502), (9, 2218224), (12, 1663668), (16, 1247751), (18, 1109112), (24, 831834), (27, 739408), (36, 554556), (37, 539568), (48, 415917), (54, 369704), (72, 277278), (74, 269784), (108, 184852), (111, 179856), (144, 138639), (148, 134892), (216, 92426), (222, 89928), (296, 67446), (333, 59952), (432, 46213), (444, 44964), (592, 33723), (666, 29976), (888, 22482), (999, 19984), (1249, 15984), (1332, 14988), (1776, 11241), (1998, 9992), (2498, 7992), (2664, 7494), (3747, 5328), (3996, 4996)]