18715836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 30958404

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 43, 46, 57, 69, 76, 83, 86, 92, 114, 129, 138, 166, 172, 228, 249, 258, 276, 332, 437, 498, 516, 817, 874, 989, 996, 1311, 1577, 1634, 1748, 1909, 1978, 2451, 2622, 2967, 3154, 3268, 3569, 3818, 3956, 4731, 4902, 5244, 5727, 5934, 6308, 7138, 7636, 9462, 9804, 10707, 11454, 11868, 14276, 18791, 18924, 21414, 22908, 36271, 37582, 42828, 56373, 67811, 72542, 75164, 82087, 108813, 112746, 135622, 145084, 164174, 203433, 217626, 225492, 246261, 271244, 328348, 406866, 435252, 492522, 813732, 985044, 1559653, 3119306, 4678959, 6238612, 9357918, 18715836]

約数ペア:

[(1, 18715836), (2, 9357918), (3, 6238612), (4, 4678959), (6, 3119306), (12, 1559653), (19, 985044), (23, 813732), (38, 492522), (43, 435252), (46, 406866), (57, 328348), (69, 271244), (76, 246261), (83, 225492), (86, 217626), (92, 203433), (114, 164174), (129, 145084), (138, 135622), (166, 112746), (172, 108813), (228, 82087), (249, 75164), (258, 72542), (276, 67811), (332, 56373), (437, 42828), (498, 37582), (516, 36271), (817, 22908), (874, 21414), (989, 18924), (996, 18791), (1311, 14276), (1577, 11868), (1634, 11454), (1748, 10707), (1909, 9804), (1978, 9462), (2451, 7636), (2622, 7138), (2967, 6308), (3154, 5934), (3268, 5727), (3569, 5244), (3818, 4902), (3956, 4731)]