19513858

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 39687732

約数和(自身を除く): 20173874

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 53, 91, 98, 106, 119, 182, 221, 238, 289, 371, 442, 578, 637, 689, 742, 833, 901, 1274, 1378, 1547, 1666, 1802, 2023, 2597, 3094, 3757, 4046, 4823, 5194, 6307, 7514, 9646, 10829, 11713, 12614, 14161, 15317, 21658, 23426, 26299, 28322, 30634, 33761, 44149, 52598, 67522, 81991, 88298, 107219, 163982, 184093, 199121, 214438, 368186, 398242, 573937, 750533, 1147874, 1393847, 1501066, 2787694, 9756929, 19513858]

約数ペア:

[(1, 19513858), (2, 9756929), (7, 2787694), (13, 1501066), (14, 1393847), (17, 1147874), (26, 750533), (34, 573937), (49, 398242), (53, 368186), (91, 214438), (98, 199121), (106, 184093), (119, 163982), (182, 107219), (221, 88298), (238, 81991), (289, 67522), (371, 52598), (442, 44149), (578, 33761), (637, 30634), (689, 28322), (742, 26299), (833, 23426), (901, 21658), (1274, 15317), (1378, 14161), (1547, 12614), (1666, 11713), (1802, 10829), (2023, 9646), (2597, 7514), (3094, 6307), (3757, 5194), (4046, 4823)]