16789388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 38916864

約数和(自身を除く): 22127476

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 151, 154, 209, 266, 302, 308, 361, 418, 532, 604, 722, 836, 1057, 1444, 1463, 1661, 2114, 2527, 2869, 2926, 3322, 3971, 4228, 5054, 5738, 5852, 6644, 7942, 10108, 11476, 11627, 15884, 20083, 23254, 27797, 31559, 40166, 46508, 54511, 55594, 63118, 80332, 109022, 111188, 126236, 218044, 220913, 381577, 441826, 599621, 763154, 883652, 1199242, 1526308, 2398484, 4197347, 8394694, 16789388]

約数ペア:

[(1, 16789388), (2, 8394694), (4, 4197347), (7, 2398484), (11, 1526308), (14, 1199242), (19, 883652), (22, 763154), (28, 599621), (38, 441826), (44, 381577), (76, 220913), (77, 218044), (133, 126236), (151, 111188), (154, 109022), (209, 80332), (266, 63118), (302, 55594), (308, 54511), (361, 46508), (418, 40166), (532, 31559), (604, 27797), (722, 23254), (836, 20083), (1057, 15884), (1444, 11627), (1463, 11476), (1661, 10108), (2114, 7942), (2527, 6644), (2869, 5852), (2926, 5738), (3322, 5054), (3971, 4228)]