19410426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 48482304

約数和(自身を除く): 29071878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1213, 1778, 2286, 2426, 2667, 3639, 5334, 7278, 8001, 8491, 10917, 16002, 16982, 21834, 25473, 50946, 76419, 152838, 154051, 308102, 462153, 924306, 1078357, 1386459, 2156714, 2772918, 3235071, 6470142, 9705213, 19410426]

約数ペア:

[(1, 19410426), (2, 9705213), (3, 6470142), (6, 3235071), (7, 2772918), (9, 2156714), (14, 1386459), (18, 1078357), (21, 924306), (42, 462153), (63, 308102), (126, 154051), (127, 152838), (254, 76419), (381, 50946), (762, 25473), (889, 21834), (1143, 16982), (1213, 16002), (1778, 10917), (2286, 8491), (2426, 8001), (2667, 7278), (3639, 5334)]