18293954

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 34042680

約数和(自身を除く): 15748726

約数列:

[1, 2, 7, 14, 29, 41, 49, 58, 82, 98, 157, 203, 287, 314, 406, 574, 1099, 1189, 1421, 2009, 2198, 2378, 2842, 4018, 4553, 6437, 7693, 8323, 9106, 12874, 15386, 16646, 31871, 45059, 58261, 63742, 90118, 116522, 186673, 223097, 315413, 373346, 446194, 630826, 1306711, 2613422, 9146977, 18293954]

約数ペア:

[(1, 18293954), (2, 9146977), (7, 2613422), (14, 1306711), (29, 630826), (41, 446194), (49, 373346), (58, 315413), (82, 223097), (98, 186673), (157, 116522), (203, 90118), (287, 63742), (314, 58261), (406, 45059), (574, 31871), (1099, 16646), (1189, 15386), (1421, 12874), (2009, 9106), (2198, 8323), (2378, 7693), (2842, 6437), (4018, 4553)]