19530248

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 38449920

約数和(自身を除く): 18919672

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1291, 1891, 2582, 3782, 5164, 7564, 10328, 15128, 40021, 78751, 80042, 157502, 160084, 315004, 320168, 630008, 2441281, 4882562, 9765124, 19530248]

約数ペア:

[(1, 19530248), (2, 9765124), (4, 4882562), (8, 2441281), (31, 630008), (61, 320168), (62, 315004), (122, 160084), (124, 157502), (244, 80042), (248, 78751), (488, 40021), (1291, 15128), (1891, 10328), (2582, 7564), (3782, 5164)]