2019980810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{27397}}^1$

素因数の和:27578

約数の個数: 32

約数和(自身を含む): 3722401872

約数和(自身を除く): 1702421062

約数列:

[1, 2, 5, 10, 73, 101, 146, 202, 365, 505, 730, 1010, 7373, 14746, 27397, 36865, 54794, 73730, 136985, 273970, 1999981, 2767097, 3999962, 5534194, 9999905, 13835485, 19999810, 27670970, 201998081, 403996162, 1009990405, 2019980810]

約数ペア:

[(1, 2019980810), (2, 1009990405), (5, 403996162), (10, 201998081), (73, 27670970), (101, 19999810), (146, 13835485), (202, 9999905), (365, 5534194), (505, 3999962), (730, 2767097), (1010, 1999981), (7373, 273970), (14746, 136985), (27397, 73730), (36865, 54794)]