18709000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 44731440

約数和(自身を除く): 26022440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 353, 424, 500, 530, 706, 1000, 1060, 1325, 1412, 1765, 2120, 2650, 2824, 3530, 5300, 6625, 7060, 8825, 10600, 13250, 14120, 17650, 18709, 26500, 35300, 37418, 44125, 53000, 70600, 74836, 88250, 93545, 149672, 176500, 187090, 353000, 374180, 467725, 748360, 935450, 1870900, 2338625, 3741800, 4677250, 9354500, 18709000]

約数ペア:

[(1, 18709000), (2, 9354500), (4, 4677250), (5, 3741800), (8, 2338625), (10, 1870900), (20, 935450), (25, 748360), (40, 467725), (50, 374180), (53, 353000), (100, 187090), (106, 176500), (125, 149672), (200, 93545), (212, 88250), (250, 74836), (265, 70600), (353, 53000), (424, 44125), (500, 37418), (530, 35300), (706, 26500), (1000, 18709), (1060, 17650), (1325, 14120), (1412, 13250), (1765, 10600), (2120, 8825), (2650, 7060), (2824, 6625), (3530, 5300)]