19485128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22971832

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 103, 104, 107, 136, 206, 214, 221, 412, 428, 442, 824, 856, 884, 1339, 1391, 1751, 1768, 1819, 2678, 2782, 3502, 3638, 5356, 5564, 7004, 7276, 10712, 11021, 11128, 14008, 14552, 22042, 22763, 23647, 44084, 45526, 47294, 88168, 91052, 94588, 143273, 182104, 187357, 189176, 286546, 374714, 573092, 749428, 1146184, 1498856, 2435641, 4871282, 9742564, 19485128]

約数ペア:

[(1, 19485128), (2, 9742564), (4, 4871282), (8, 2435641), (13, 1498856), (17, 1146184), (26, 749428), (34, 573092), (52, 374714), (68, 286546), (103, 189176), (104, 187357), (107, 182104), (136, 143273), (206, 94588), (214, 91052), (221, 88168), (412, 47294), (428, 45526), (442, 44084), (824, 23647), (856, 22763), (884, 22042), (1339, 14552), (1391, 14008), (1751, 11128), (1768, 11021), (1819, 10712), (2678, 7276), (2782, 7004), (3502, 5564), (3638, 5356)]