2018170208

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{787}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 4016001024

約数和(自身を除く): 1997830816

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 631, 787, 1016, 1262, 1574, 2032, 2524, 3148, 4064, 5048, 6296, 10096, 12592, 20192, 25184, 80137, 99949, 160274, 199898, 320548, 399796, 496597, 641096, 799592, 993194, 1282192, 1599184, 1986388, 2564384, 3198368, 3972776, 7945552, 15891104, 63067819, 126135638, 252271276, 504542552, 1009085104, 2018170208]

約数ペア:

[(1, 2018170208), (2, 1009085104), (4, 504542552), (8, 252271276), (16, 126135638), (32, 63067819), (127, 15891104), (254, 7945552), (508, 3972776), (631, 3198368), (787, 2564384), (1016, 1986388), (1262, 1599184), (1574, 1282192), (2032, 993194), (2524, 799592), (3148, 641096), (4064, 496597), (5048, 399796), (6296, 320548), (10096, 199898), (12592, 160274), (20192, 99949), (25184, 80137)]