19549556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 39701760

約数和(自身を除く): 20152204

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 421, 494, 611, 842, 893, 988, 1222, 1684, 1786, 2444, 3572, 5473, 7999, 10946, 11609, 15998, 19787, 21892, 23218, 31996, 39574, 46436, 79148, 103987, 207974, 257231, 375953, 415948, 514462, 751906, 1028924, 1503812, 4887389, 9774778, 19549556]

約数ペア:

[(1, 19549556), (2, 9774778), (4, 4887389), (13, 1503812), (19, 1028924), (26, 751906), (38, 514462), (47, 415948), (52, 375953), (76, 257231), (94, 207974), (188, 103987), (247, 79148), (421, 46436), (494, 39574), (611, 31996), (842, 23218), (893, 21892), (988, 19787), (1222, 15998), (1684, 11609), (1786, 10946), (2444, 7999), (3572, 5473)]