16813784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 36556800

約数和(自身を除く): 19743016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 67, 76, 104, 127, 134, 152, 247, 254, 268, 494, 508, 536, 871, 988, 1016, 1273, 1651, 1742, 1976, 2413, 2546, 3302, 3484, 4826, 5092, 6604, 6968, 8509, 9652, 10184, 13208, 16549, 17018, 19304, 31369, 33098, 34036, 62738, 66196, 68072, 110617, 125476, 132392, 161671, 221234, 250952, 323342, 442468, 646684, 884936, 1293368, 2101723, 4203446, 8406892, 16813784]

約数ペア:

[(1, 16813784), (2, 8406892), (4, 4203446), (8, 2101723), (13, 1293368), (19, 884936), (26, 646684), (38, 442468), (52, 323342), (67, 250952), (76, 221234), (104, 161671), (127, 132392), (134, 125476), (152, 110617), (247, 68072), (254, 66196), (268, 62738), (494, 34036), (508, 33098), (536, 31369), (871, 19304), (988, 17018), (1016, 16549), (1273, 13208), (1651, 10184), (1742, 9652), (1976, 8509), (2413, 6968), (2546, 6604), (3302, 5092), (3484, 4826)]