19746468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 57587712

約数和(自身を除く): 37841244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 617, 762, 889, 1143, 1234, 1524, 1778, 1851, 2286, 2468, 2667, 3556, 3702, 4319, 4572, 5334, 5553, 7404, 8001, 8638, 10668, 11106, 12957, 16002, 17276, 22212, 25914, 32004, 38871, 51828, 77742, 78359, 155484, 156718, 235077, 313436, 470154, 548513, 705231, 940308, 1097026, 1410462, 1645539, 2194052, 2820924, 3291078, 4936617, 6582156, 9873234, 19746468]

約数ペア:

[(1, 19746468), (2, 9873234), (3, 6582156), (4, 4936617), (6, 3291078), (7, 2820924), (9, 2194052), (12, 1645539), (14, 1410462), (18, 1097026), (21, 940308), (28, 705231), (36, 548513), (42, 470154), (63, 313436), (84, 235077), (126, 156718), (127, 155484), (252, 78359), (254, 77742), (381, 51828), (508, 38871), (617, 32004), (762, 25914), (889, 22212), (1143, 17276), (1234, 16002), (1524, 12957), (1778, 11106), (1851, 10668), (2286, 8638), (2468, 8001), (2667, 7404), (3556, 5553), (3702, 5334), (4319, 4572)]