17813868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 47308800

約数和(自身を除く): 29494932

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 43, 46, 57, 69, 76, 79, 86, 92, 114, 129, 138, 158, 172, 228, 237, 258, 276, 316, 437, 474, 516, 817, 874, 948, 989, 1311, 1501, 1634, 1748, 1817, 1978, 2451, 2622, 2967, 3002, 3268, 3397, 3634, 3956, 4503, 4902, 5244, 5451, 5934, 6004, 6794, 7268, 9006, 9804, 10191, 10902, 11868, 13588, 18012, 18791, 20382, 21804, 34523, 37582, 40764, 56373, 64543, 69046, 75164, 78131, 103569, 112746, 129086, 138092, 156262, 193629, 207138, 225492, 234393, 258172, 312524, 387258, 414276, 468786, 774516, 937572, 1484489, 2968978, 4453467, 5937956, 8906934, 17813868]

約数ペア:

[(1, 17813868), (2, 8906934), (3, 5937956), (4, 4453467), (6, 2968978), (12, 1484489), (19, 937572), (23, 774516), (38, 468786), (43, 414276), (46, 387258), (57, 312524), (69, 258172), (76, 234393), (79, 225492), (86, 207138), (92, 193629), (114, 156262), (129, 138092), (138, 129086), (158, 112746), (172, 103569), (228, 78131), (237, 75164), (258, 69046), (276, 64543), (316, 56373), (437, 40764), (474, 37582), (516, 34523), (817, 21804), (874, 20382), (948, 18791), (989, 18012), (1311, 13588), (1501, 11868), (1634, 10902), (1748, 10191), (1817, 9804), (1978, 9006), (2451, 7268), (2622, 6794), (2967, 6004), (3002, 5934), (3268, 5451), (3397, 5244), (3634, 4902), (3956, 4503)]