19724892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 33981348

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 73, 89, 92, 132, 138, 146, 178, 219, 253, 267, 276, 292, 356, 438, 506, 534, 759, 803, 876, 979, 1012, 1068, 1518, 1606, 1679, 1958, 2047, 2409, 2937, 3036, 3212, 3358, 3916, 4094, 4818, 5037, 5874, 6141, 6497, 6716, 8188, 9636, 10074, 11748, 12282, 12994, 18469, 19491, 20148, 22517, 24564, 25988, 36938, 38982, 45034, 55407, 67551, 71467, 73876, 77964, 90068, 110814, 135102, 142934, 149431, 214401, 221628, 270204, 285868, 298862, 428802, 448293, 597724, 857604, 896586, 1643741, 1793172, 3287482, 4931223, 6574964, 9862446, 19724892]

約数ペア:

[(1, 19724892), (2, 9862446), (3, 6574964), (4, 4931223), (6, 3287482), (11, 1793172), (12, 1643741), (22, 896586), (23, 857604), (33, 597724), (44, 448293), (46, 428802), (66, 298862), (69, 285868), (73, 270204), (89, 221628), (92, 214401), (132, 149431), (138, 142934), (146, 135102), (178, 110814), (219, 90068), (253, 77964), (267, 73876), (276, 71467), (292, 67551), (356, 55407), (438, 45034), (506, 38982), (534, 36938), (759, 25988), (803, 24564), (876, 22517), (979, 20148), (1012, 19491), (1068, 18469), (1518, 12994), (1606, 12282), (1679, 11748), (1958, 10074), (2047, 9636), (2409, 8188), (2937, 6716), (3036, 6497), (3212, 6141), (3358, 5874), (3916, 5037), (4094, 4818)]