18815040002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1\times {\mathrm{20809}}^1$

素因数の和:21458

約数の個数: 32

約数和(自身を含む): 31266941760

約数和(自身を除く): 12451901758

約数列:

[1, 2, 11, 22, 73, 146, 563, 803, 1126, 1606, 6193, 12386, 20809, 41099, 41618, 82198, 228899, 452089, 457798, 904178, 1519057, 3038114, 11715467, 16709627, 23430934, 33419254, 128870137, 257740274, 855229091, 1710458182, 9407520001, 18815040002]

約数ペア:

[(1, 18815040002), (2, 9407520001), (11, 1710458182), (22, 855229091), (73, 257740274), (146, 128870137), (563, 33419254), (803, 23430934), (1126, 16709627), (1606, 11715467), (6193, 3038114), (12386, 1519057), (20809, 904178), (41099, 457798), (41618, 452089), (82198, 228899)]