19998222

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 44797440

約数和(自身を除く): 24799218

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 289, 323, 578, 607, 646, 867, 969, 1214, 1734, 1821, 1938, 3642, 5491, 10319, 10982, 11533, 16473, 20638, 23066, 30957, 32946, 34599, 61914, 69198, 175423, 196061, 350846, 392122, 526269, 588183, 1052538, 1176366, 3333037, 6666074, 9999111, 19998222]

約数ペア:

[(1, 19998222), (2, 9999111), (3, 6666074), (6, 3333037), (17, 1176366), (19, 1052538), (34, 588183), (38, 526269), (51, 392122), (57, 350846), (102, 196061), (114, 175423), (289, 69198), (323, 61914), (578, 34599), (607, 32946), (646, 30957), (867, 23066), (969, 20638), (1214, 16473), (1734, 11533), (1821, 10982), (1938, 10319), (3642, 5491)]