19805462624

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{977}}^1\times {\mathrm{15451}}^1$

素因数の和:16479

約数の個数: 48

約数和(自身を含む): 39986500176

約数和(自身を除く): 20181037552

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 977, 1312, 1954, 3908, 7816, 15451, 15632, 30902, 31264, 40057, 61804, 80114, 123608, 160228, 247216, 320456, 494432, 633491, 640912, 1266982, 1281824, 2533964, 5067928, 10135856, 15095627, 20271712, 30191254, 60382508, 120765016, 241530032, 483060064, 618920707, 1237841414, 2475682828, 4951365656, 9902731312, 19805462624]

約数ペア:

[(1, 19805462624), (2, 9902731312), (4, 4951365656), (8, 2475682828), (16, 1237841414), (32, 618920707), (41, 483060064), (82, 241530032), (164, 120765016), (328, 60382508), (656, 30191254), (977, 20271712), (1312, 15095627), (1954, 10135856), (3908, 5067928), (7816, 2533964), (15451, 1281824), (15632, 1266982), (30902, 640912), (31264, 633491), (40057, 494432), (61804, 320456), (80114, 247216), (123608, 160228)]