19848276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 58123520

約数和(自身を除く): 38275244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 997, 1106, 1422, 1659, 1994, 2212, 2844, 2991, 3318, 3988, 4977, 5982, 6636, 6979, 8973, 9954, 11964, 13958, 17946, 19908, 20937, 27916, 35892, 41874, 62811, 78763, 83748, 125622, 157526, 236289, 251244, 315052, 472578, 551341, 708867, 945156, 1102682, 1417734, 1654023, 2205364, 2835468, 3308046, 4962069, 6616092, 9924138, 19848276]

約数ペア:

[(1, 19848276), (2, 9924138), (3, 6616092), (4, 4962069), (6, 3308046), (7, 2835468), (9, 2205364), (12, 1654023), (14, 1417734), (18, 1102682), (21, 945156), (28, 708867), (36, 551341), (42, 472578), (63, 315052), (79, 251244), (84, 236289), (126, 157526), (158, 125622), (237, 83748), (252, 78763), (316, 62811), (474, 41874), (553, 35892), (711, 27916), (948, 20937), (997, 19908), (1106, 17946), (1422, 13958), (1659, 11964), (1994, 9954), (2212, 8973), (2844, 6979), (2991, 6636), (3318, 5982), (3988, 4977)]