19917904608

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9879913}}^1$

素因数の和:9879936

約数の個数: 72

約数和(自身を含む): 64733196528

約数和(自身を除く): 44815291920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9879913, 19759826, 29639739, 39519652, 59279478, 69159391, 79039304, 88919217, 118558956, 138318782, 158078608, 177838434, 207478173, 237117912, 276637564, 316157216, 355676868, 414956346, 474235824, 553275128, 622434519, 711353736, 829912692, 948471648, 1106550256, 1244869038, 1422707472, 1659825384, 2213100512, 2489738076, 2845414944, 3319650768, 4979476152, 6639301536, 9958952304, 19917904608]

約数ペア:

[(1, 19917904608), (2, 9958952304), (3, 6639301536), (4, 4979476152), (6, 3319650768), (7, 2845414944), (8, 2489738076), (9, 2213100512), (12, 1659825384), (14, 1422707472), (16, 1244869038), (18, 1106550256), (21, 948471648), (24, 829912692), (28, 711353736), (32, 622434519), (36, 553275128), (42, 474235824), (48, 414956346), (56, 355676868), (63, 316157216), (72, 276637564), (84, 237117912), (96, 207478173), (112, 177838434), (126, 158078608), (144, 138318782), (168, 118558956), (224, 88919217), (252, 79039304), (288, 69159391), (336, 59279478), (504, 39519652), (672, 29639739), (1008, 19759826), (2016, 9879913)]