19991436

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28271604

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 179, 227, 246, 358, 454, 492, 537, 681, 716, 908, 1074, 1362, 2148, 2724, 7339, 9307, 14678, 18614, 22017, 27921, 29356, 37228, 40633, 44034, 55842, 81266, 88068, 111684, 121899, 162532, 243798, 487596, 1665953, 3331906, 4997859, 6663812, 9995718, 19991436]

約数ペア:

[(1, 19991436), (2, 9995718), (3, 6663812), (4, 4997859), (6, 3331906), (12, 1665953), (41, 487596), (82, 243798), (123, 162532), (164, 121899), (179, 111684), (227, 88068), (246, 81266), (358, 55842), (454, 44034), (492, 40633), (537, 37228), (681, 29356), (716, 27921), (908, 22017), (1074, 18614), (1362, 14678), (2148, 9307), (2724, 7339)]