18973735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 26500608

約数和(自身を除く): 7526873

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 283, 583, 1219, 1265, 1415, 2915, 3113, 6095, 6509, 13409, 14999, 15565, 32545, 67045, 71599, 74995, 164989, 344977, 357995, 824945, 1724885, 3794747, 18973735]

約数ペア:

[(1, 18973735), (5, 3794747), (11, 1724885), (23, 824945), (53, 357995), (55, 344977), (115, 164989), (253, 74995), (265, 71599), (283, 67045), (583, 32545), (1219, 15565), (1265, 14999), (1415, 13409), (2915, 6509), (3113, 6095)]