19840938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 25695318

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 169, 221, 338, 442, 507, 663, 1014, 1151, 1326, 2302, 2873, 3453, 5746, 6906, 8619, 14963, 17238, 19567, 29926, 39134, 44889, 58701, 89778, 117402, 194519, 254371, 389038, 508742, 583557, 763113, 1167114, 1526226, 3306823, 6613646, 9920469, 19840938]

約数ペア:

[(1, 19840938), (2, 9920469), (3, 6613646), (6, 3306823), (13, 1526226), (17, 1167114), (26, 763113), (34, 583557), (39, 508742), (51, 389038), (78, 254371), (102, 194519), (169, 117402), (221, 89778), (338, 58701), (442, 44889), (507, 39134), (663, 29926), (1014, 19567), (1151, 17238), (1326, 14963), (2302, 8619), (2873, 6906), (3453, 5746)]