19005455812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1051}}^1\times {\mathrm{1789}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 40177394880

約数和(自身を除く): 21171939068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1051, 1444, 1789, 2102, 2527, 3578, 4204, 5054, 7156, 7357, 10108, 12523, 14714, 19969, 25046, 29428, 33991, 39938, 50092, 67982, 79876, 135964, 139783, 237937, 279566, 379411, 475874, 559132, 645829, 758822, 951748, 1291658, 1517644, 1880239, 2583316, 2655877, 3760478, 4520803, 5311754, 7520956, 9041606, 10623508, 13161673, 18083212, 26323346, 35724541, 52646692, 71449082, 142898164, 250071787, 500143574, 678766279, 1000287148, 1357532558, 2715065116, 4751363953, 9502727906, 19005455812]

約数ペア:

[(1, 19005455812), (2, 9502727906), (4, 4751363953), (7, 2715065116), (14, 1357532558), (19, 1000287148), (28, 678766279), (38, 500143574), (76, 250071787), (133, 142898164), (266, 71449082), (361, 52646692), (532, 35724541), (722, 26323346), (1051, 18083212), (1444, 13161673), (1789, 10623508), (2102, 9041606), (2527, 7520956), (3578, 5311754), (4204, 4520803), (5054, 3760478), (7156, 2655877), (7357, 2583316), (10108, 1880239), (12523, 1517644), (14714, 1291658), (19969, 951748), (25046, 758822), (29428, 645829), (33991, 559132), (39938, 475874), (50092, 379411), (67982, 279566), (79876, 237937), (135964, 139783)]