19429812

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1181}}^1$

素因数の和:1648

約数の個数: 36

約数和(自身を含む): 49263396

約数和(自身を除く): 29833584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1181, 1371, 1828, 2362, 2742, 3543, 4113, 4724, 5484, 7086, 8226, 10629, 14172, 16452, 21258, 42516, 539717, 1079434, 1619151, 2158868, 3238302, 4857453, 6476604, 9714906, 19429812]

約数ペア:

[(1, 19429812), (2, 9714906), (3, 6476604), (4, 4857453), (6, 3238302), (9, 2158868), (12, 1619151), (18, 1079434), (36, 539717), (457, 42516), (914, 21258), (1181, 16452), (1371, 14172), (1828, 10629), (2362, 8226), (2742, 7086), (3543, 5484), (4113, 4724)]