19163872

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6611

約数の個数: 48

約数和(自身を含む): 46442592

約数和(自身を除く): 27278720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6581, 13162, 26324, 46067, 52648, 85553, 92134, 105296, 171106, 184268, 210592, 342212, 368536, 598871, 684424, 737072, 1197742, 1368848, 1474144, 2395484, 2737696, 4790968, 9581936, 19163872]

約数ペア:

[(1, 19163872), (2, 9581936), (4, 4790968), (7, 2737696), (8, 2395484), (13, 1474144), (14, 1368848), (16, 1197742), (26, 737072), (28, 684424), (32, 598871), (52, 368536), (56, 342212), (91, 210592), (104, 184268), (112, 171106), (182, 105296), (208, 92134), (224, 85553), (364, 52648), (416, 46067), (728, 26324), (1456, 13162), (2912, 6581)]