18422742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 43223040

約数和(自身を除く): 24800298

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 401, 403, 494, 589, 741, 802, 806, 1178, 1203, 1209, 1482, 1767, 2406, 2418, 3534, 5213, 7619, 7657, 10426, 12431, 15238, 15314, 15639, 22857, 22971, 24862, 31278, 37293, 45714, 45942, 74586, 99047, 161603, 198094, 236189, 297141, 323206, 472378, 484809, 594282, 708567, 969618, 1417134, 3070457, 6140914, 9211371, 18422742]

約数ペア:

[(1, 18422742), (2, 9211371), (3, 6140914), (6, 3070457), (13, 1417134), (19, 969618), (26, 708567), (31, 594282), (38, 484809), (39, 472378), (57, 323206), (62, 297141), (78, 236189), (93, 198094), (114, 161603), (186, 99047), (247, 74586), (401, 45942), (403, 45714), (494, 37293), (589, 31278), (741, 24862), (802, 22971), (806, 22857), (1178, 15639), (1203, 15314), (1209, 15238), (1482, 12431), (1767, 10426), (2406, 7657), (2418, 7619), (3534, 5213)]