19149952

素因数分解:

$2^7\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 39542850

約数和(自身を除く): 20392898

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 89, 128, 164, 178, 328, 356, 656, 712, 1312, 1424, 1681, 2624, 2848, 3362, 3649, 5248, 5696, 6724, 7298, 11392, 13448, 14596, 26896, 29192, 53792, 58384, 107584, 116768, 149609, 215168, 233536, 299218, 467072, 598436, 1196872, 2393744, 4787488, 9574976, 19149952]

約数ペア:

[(1, 19149952), (2, 9574976), (4, 4787488), (8, 2393744), (16, 1196872), (32, 598436), (41, 467072), (64, 299218), (82, 233536), (89, 215168), (128, 149609), (164, 116768), (178, 107584), (328, 58384), (356, 53792), (656, 29192), (712, 26896), (1312, 14596), (1424, 13448), (1681, 11392), (2624, 7298), (2848, 6724), (3362, 5696), (3649, 5248)]