19700328

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 32398872

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 89, 92, 138, 178, 184, 267, 276, 356, 401, 534, 552, 712, 802, 1068, 1203, 1604, 2047, 2136, 2406, 3208, 4094, 4812, 6141, 8188, 9223, 9624, 12282, 16376, 18446, 24564, 27669, 35689, 36892, 49128, 55338, 71378, 73784, 107067, 110676, 142756, 214134, 221352, 285512, 428268, 820847, 856536, 1641694, 2462541, 3283388, 4925082, 6566776, 9850164, 19700328]

約数ペア:

[(1, 19700328), (2, 9850164), (3, 6566776), (4, 4925082), (6, 3283388), (8, 2462541), (12, 1641694), (23, 856536), (24, 820847), (46, 428268), (69, 285512), (89, 221352), (92, 214134), (138, 142756), (178, 110676), (184, 107067), (267, 73784), (276, 71378), (356, 55338), (401, 49128), (534, 36892), (552, 35689), (712, 27669), (802, 24564), (1068, 18446), (1203, 16376), (1604, 12282), (2047, 9624), (2136, 9223), (2406, 8188), (3208, 6141), (4094, 4812)]