19066040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 49464000

約数和(自身を除く): 30397960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 457, 596, 745, 914, 1043, 1192, 1490, 1828, 2086, 2285, 2980, 3199, 3656, 4172, 4570, 5215, 5960, 6398, 8344, 9140, 10430, 12796, 15995, 18280, 20860, 25592, 31990, 41720, 63980, 68093, 127960, 136186, 272372, 340465, 476651, 544744, 680930, 953302, 1361860, 1906604, 2383255, 2723720, 3813208, 4766510, 9533020, 19066040]

約数ペア:

[(1, 19066040), (2, 9533020), (4, 4766510), (5, 3813208), (7, 2723720), (8, 2383255), (10, 1906604), (14, 1361860), (20, 953302), (28, 680930), (35, 544744), (40, 476651), (56, 340465), (70, 272372), (140, 136186), (149, 127960), (280, 68093), (298, 63980), (457, 41720), (596, 31990), (745, 25592), (914, 20860), (1043, 18280), (1192, 15995), (1490, 12796), (1828, 10430), (2086, 9140), (2285, 8344), (2980, 6398), (3199, 5960), (3656, 5215), (4172, 4570)]