18346818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 44835840

約数和(自身を除く): 26489022

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 83, 114, 133, 166, 249, 266, 277, 399, 498, 554, 581, 798, 831, 1162, 1577, 1662, 1743, 1939, 3154, 3486, 3878, 4731, 5263, 5817, 9462, 10526, 11039, 11634, 15789, 22078, 22991, 31578, 33117, 36841, 45982, 66234, 68973, 73682, 110523, 137946, 160937, 221046, 321874, 436829, 482811, 873658, 965622, 1310487, 2620974, 3057803, 6115606, 9173409, 18346818]

約数ペア:

[(1, 18346818), (2, 9173409), (3, 6115606), (6, 3057803), (7, 2620974), (14, 1310487), (19, 965622), (21, 873658), (38, 482811), (42, 436829), (57, 321874), (83, 221046), (114, 160937), (133, 137946), (166, 110523), (249, 73682), (266, 68973), (277, 66234), (399, 45982), (498, 36841), (554, 33117), (581, 31578), (798, 22991), (831, 22078), (1162, 15789), (1577, 11634), (1662, 11039), (1743, 10526), (1939, 9462), (3154, 5817), (3486, 5263), (3878, 4731)]