19725024488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{222349}}^1$

素因数の和:223221

約数の個数: 32

約数和(自身を含む): 39876249000

約数和(自身を除く): 20151224512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 853, 1706, 3412, 6824, 11089, 22178, 44356, 88712, 222349, 444698, 889396, 1778792, 2890537, 5781074, 11562148, 23124296, 189663697, 379327394, 758654788, 1517309576, 2465628061, 4931256122, 9862512244, 19725024488]

約数ペア:

[(1, 19725024488), (2, 9862512244), (4, 4931256122), (8, 2465628061), (13, 1517309576), (26, 758654788), (52, 379327394), (104, 189663697), (853, 23124296), (1706, 11562148), (3412, 5781074), (6824, 2890537), (11089, 1778792), (22178, 889396), (44356, 444698), (88712, 222349)]