18656358

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 47278080

約数和(自身を除く): 28621722

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 49, 62, 69, 89, 93, 98, 138, 147, 161, 178, 186, 217, 267, 294, 322, 434, 483, 534, 623, 651, 713, 966, 1127, 1246, 1302, 1426, 1519, 1869, 2047, 2139, 2254, 2759, 3038, 3381, 3738, 4094, 4278, 4361, 4557, 4991, 5518, 6141, 6762, 8277, 8722, 9114, 9982, 12282, 13083, 14329, 14973, 16554, 19313, 26166, 28658, 29946, 34937, 38626, 42987, 57939, 63457, 69874, 85974, 100303, 104811, 115878, 126914, 135191, 190371, 200606, 209622, 270382, 300909, 380742, 405573, 444199, 601818, 811146, 888398, 1332597, 2665194, 3109393, 6218786, 9328179, 18656358]

約数ペア:

[(1, 18656358), (2, 9328179), (3, 6218786), (6, 3109393), (7, 2665194), (14, 1332597), (21, 888398), (23, 811146), (31, 601818), (42, 444199), (46, 405573), (49, 380742), (62, 300909), (69, 270382), (89, 209622), (93, 200606), (98, 190371), (138, 135191), (147, 126914), (161, 115878), (178, 104811), (186, 100303), (217, 85974), (267, 69874), (294, 63457), (322, 57939), (434, 42987), (483, 38626), (534, 34937), (623, 29946), (651, 28658), (713, 26166), (966, 19313), (1127, 16554), (1246, 14973), (1302, 14329), (1426, 13083), (1519, 12282), (1869, 9982), (2047, 9114), (2139, 8722), (2254, 8277), (2759, 6762), (3038, 6141), (3381, 5518), (3738, 4991), (4094, 4557), (4278, 4361)]