18403956

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 51609600

約数和(自身を除く): 33205644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 31, 36, 46, 54, 62, 69, 92, 93, 108, 124, 138, 186, 207, 239, 276, 279, 372, 414, 478, 558, 621, 713, 717, 828, 837, 956, 1116, 1242, 1426, 1434, 1674, 2139, 2151, 2484, 2852, 2868, 3348, 4278, 4302, 5497, 6417, 6453, 7409, 8556, 8604, 10994, 12834, 12906, 14818, 16491, 19251, 21988, 22227, 25668, 25812, 29636, 32982, 38502, 44454, 49473, 65964, 66681, 77004, 88908, 98946, 133362, 148419, 170407, 197892, 200043, 266724, 296838, 340814, 400086, 511221, 593676, 681628, 800172, 1022442, 1533663, 2044884, 3067326, 4600989, 6134652, 9201978, 18403956]

約数ペア:

[(1, 18403956), (2, 9201978), (3, 6134652), (4, 4600989), (6, 3067326), (9, 2044884), (12, 1533663), (18, 1022442), (23, 800172), (27, 681628), (31, 593676), (36, 511221), (46, 400086), (54, 340814), (62, 296838), (69, 266724), (92, 200043), (93, 197892), (108, 170407), (124, 148419), (138, 133362), (186, 98946), (207, 88908), (239, 77004), (276, 66681), (279, 65964), (372, 49473), (414, 44454), (478, 38502), (558, 32982), (621, 29636), (713, 25812), (717, 25668), (828, 22227), (837, 21988), (956, 19251), (1116, 16491), (1242, 14818), (1426, 12906), (1434, 12834), (1674, 10994), (2139, 8604), (2151, 8556), (2484, 7409), (2852, 6453), (2868, 6417), (3348, 5497), (4278, 4302)]