19179472

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 41458284

約数和(自身を除く): 22278812

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 169, 173, 208, 328, 338, 346, 533, 656, 676, 692, 1066, 1352, 1384, 2132, 2249, 2704, 2768, 4264, 4498, 6929, 7093, 8528, 8996, 13858, 14186, 17992, 27716, 28372, 29237, 35984, 55432, 56744, 58474, 92209, 110864, 113488, 116948, 184418, 233896, 368836, 467792, 737672, 1198717, 1475344, 2397434, 4794868, 9589736, 19179472]

約数ペア:

[(1, 19179472), (2, 9589736), (4, 4794868), (8, 2397434), (13, 1475344), (16, 1198717), (26, 737672), (41, 467792), (52, 368836), (82, 233896), (104, 184418), (164, 116948), (169, 113488), (173, 110864), (208, 92209), (328, 58474), (338, 56744), (346, 55432), (533, 35984), (656, 29237), (676, 28372), (692, 27716), (1066, 17992), (1352, 14186), (1384, 13858), (2132, 8996), (2249, 8528), (2704, 7093), (2768, 6929), (4264, 4498)]