19045536488

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{221069}}^1$

素因数の和:221186

約数の個数: 48

約数和(自身を含む): 39693118500

約数和(自身を除く): 20647582012

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 121, 178, 242, 356, 484, 712, 968, 979, 1958, 3916, 7832, 10769, 21538, 43076, 86152, 221069, 442138, 884276, 1768552, 2431759, 4863518, 9727036, 19454072, 19675141, 26749349, 39350282, 53498698, 78700564, 106997396, 157401128, 213994792, 216426551, 432853102, 865706204, 1731412408, 2380692061, 4761384122, 9522768244, 19045536488]

約数ペア:

[(1, 19045536488), (2, 9522768244), (4, 4761384122), (8, 2380692061), (11, 1731412408), (22, 865706204), (44, 432853102), (88, 216426551), (89, 213994792), (121, 157401128), (178, 106997396), (242, 78700564), (356, 53498698), (484, 39350282), (712, 26749349), (968, 19675141), (979, 19454072), (1958, 9727036), (3916, 4863518), (7832, 2431759), (10769, 1768552), (21538, 884276), (43076, 442138), (86152, 221069)]