19849648

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13633}}^1$

素因数の和:13661

約数の個数: 40

約数和(自身を含む): 47337248

約数和(自身を除く): 27487600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13633, 27266, 54532, 95431, 109064, 177229, 190862, 218128, 354458, 381724, 708916, 763448, 1240603, 1417832, 1526896, 2481206, 2835664, 4962412, 9924824, 19849648]

約数ペア:

[(1, 19849648), (2, 9924824), (4, 4962412), (7, 2835664), (8, 2481206), (13, 1526896), (14, 1417832), (16, 1240603), (26, 763448), (28, 708916), (52, 381724), (56, 354458), (91, 218128), (104, 190862), (112, 177229), (182, 109064), (208, 95431), (364, 54532), (728, 27266), (1456, 13633)]