19365280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11003}}^1$

素因数の和:11029

約数の個数: 48

約数和(自身を含む): 49914144

約数和(自身を除く): 30548864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11003, 22006, 44012, 55015, 88024, 110030, 121033, 176048, 220060, 242066, 352096, 440120, 484132, 605165, 880240, 968264, 1210330, 1760480, 1936528, 2420660, 3873056, 4841320, 9682640, 19365280]

約数ペア:

[(1, 19365280), (2, 9682640), (4, 4841320), (5, 3873056), (8, 2420660), (10, 1936528), (11, 1760480), (16, 1210330), (20, 968264), (22, 880240), (32, 605165), (40, 484132), (44, 440120), (55, 352096), (80, 242066), (88, 220060), (110, 176048), (160, 121033), (176, 110030), (220, 88024), (352, 55015), (440, 44012), (880, 22006), (1760, 11003)]