19587764

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21054796

約数列:

[1, 2, 4, 7, 14, 28, 59, 71, 118, 142, 167, 236, 284, 334, 413, 497, 668, 826, 994, 1169, 1652, 1988, 2338, 4189, 4676, 8378, 9853, 11857, 16756, 19706, 23714, 29323, 39412, 47428, 58646, 68971, 82999, 117292, 137942, 165998, 275884, 331996, 699563, 1399126, 2798252, 4896941, 9793882, 19587764]

約数ペア:

[(1, 19587764), (2, 9793882), (4, 4896941), (7, 2798252), (14, 1399126), (28, 699563), (59, 331996), (71, 275884), (118, 165998), (142, 137942), (167, 117292), (236, 82999), (284, 68971), (334, 58646), (413, 47428), (497, 39412), (668, 29323), (826, 23714), (994, 19706), (1169, 16756), (1652, 11857), (1988, 9853), (2338, 8378), (4189, 4676)]