19756618

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 38018880

約数和(自身を除く): 18262262

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 257, 266, 289, 323, 514, 578, 646, 1799, 2023, 2261, 3598, 4046, 4369, 4522, 4883, 5491, 8738, 9766, 10982, 30583, 34181, 38437, 61166, 68362, 74273, 76874, 83011, 148546, 166022, 519911, 581077, 1039822, 1162154, 1411187, 2822374, 9878309, 19756618]

約数ペア:

[(1, 19756618), (2, 9878309), (7, 2822374), (14, 1411187), (17, 1162154), (19, 1039822), (34, 581077), (38, 519911), (119, 166022), (133, 148546), (238, 83011), (257, 76874), (266, 74273), (289, 68362), (323, 61166), (514, 38437), (578, 34181), (646, 30583), (1799, 10982), (2023, 9766), (2261, 8738), (3598, 5491), (4046, 4883), (4369, 4522)]