19798776

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 36015624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1291, 1704, 1917, 2556, 2582, 3834, 3873, 5112, 5164, 7668, 7746, 10328, 11619, 15336, 15492, 23238, 30984, 34857, 46476, 69714, 91661, 92952, 139428, 183322, 274983, 278856, 366644, 549966, 733288, 824949, 1099932, 1649898, 2199864, 2474847, 3299796, 4949694, 6599592, 9899388, 19798776]

約数ペア:

[(1, 19798776), (2, 9899388), (3, 6599592), (4, 4949694), (6, 3299796), (8, 2474847), (9, 2199864), (12, 1649898), (18, 1099932), (24, 824949), (27, 733288), (36, 549966), (54, 366644), (71, 278856), (72, 274983), (108, 183322), (142, 139428), (213, 92952), (216, 91661), (284, 69714), (426, 46476), (568, 34857), (639, 30984), (852, 23238), (1278, 15492), (1291, 15336), (1704, 11619), (1917, 10328), (2556, 7746), (2582, 7668), (3834, 5164), (3873, 5112)]