19722654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 49197408

約数和(自身を除く): 29474754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 997, 1099, 1413, 1994, 2198, 2826, 2991, 3297, 5982, 6594, 6979, 8973, 9891, 13958, 17946, 19782, 20937, 41874, 62811, 125622, 156529, 313058, 469587, 939174, 1095703, 1408761, 2191406, 2817522, 3287109, 6574218, 9861327, 19722654]

約数ペア:

[(1, 19722654), (2, 9861327), (3, 6574218), (6, 3287109), (7, 2817522), (9, 2191406), (14, 1408761), (18, 1095703), (21, 939174), (42, 469587), (63, 313058), (126, 156529), (157, 125622), (314, 62811), (471, 41874), (942, 20937), (997, 19782), (1099, 17946), (1413, 13958), (1994, 9891), (2198, 8973), (2826, 6979), (2991, 6594), (3297, 5982)]