19015724

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 25225396

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 439, 442, 476, 637, 833, 878, 884, 1274, 1547, 1666, 1756, 2548, 3073, 3094, 3332, 5707, 6146, 6188, 7463, 10829, 11414, 12292, 14926, 21511, 21658, 22828, 29852, 39949, 43022, 43316, 52241, 79898, 86044, 97019, 104482, 159796, 194038, 208964, 279643, 365687, 388076, 559286, 679133, 731374, 1118572, 1358266, 1462748, 2716532, 4753931, 9507862, 19015724]

約数ペア:

[(1, 19015724), (2, 9507862), (4, 4753931), (7, 2716532), (13, 1462748), (14, 1358266), (17, 1118572), (26, 731374), (28, 679133), (34, 559286), (49, 388076), (52, 365687), (68, 279643), (91, 208964), (98, 194038), (119, 159796), (182, 104482), (196, 97019), (221, 86044), (238, 79898), (364, 52241), (439, 43316), (442, 43022), (476, 39949), (637, 29852), (833, 22828), (878, 21658), (884, 21511), (1274, 14926), (1547, 12292), (1666, 11414), (1756, 10829), (2548, 7463), (3073, 6188), (3094, 6146), (3332, 5707)]