17976868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 40582080

約数和(自身を除く): 22605212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 131, 169, 182, 203, 262, 338, 364, 377, 406, 524, 676, 754, 812, 917, 1183, 1508, 1703, 1834, 2366, 2639, 3406, 3668, 3799, 4732, 4901, 5278, 6812, 7598, 9802, 10556, 11921, 15196, 19604, 22139, 23842, 26593, 34307, 44278, 47684, 49387, 53186, 68614, 88556, 98774, 106372, 137228, 154973, 197548, 309946, 345709, 619892, 642031, 691418, 1284062, 1382836, 2568124, 4494217, 8988434, 17976868]

約数ペア:

[(1, 17976868), (2, 8988434), (4, 4494217), (7, 2568124), (13, 1382836), (14, 1284062), (26, 691418), (28, 642031), (29, 619892), (52, 345709), (58, 309946), (91, 197548), (116, 154973), (131, 137228), (169, 106372), (182, 98774), (203, 88556), (262, 68614), (338, 53186), (364, 49387), (377, 47684), (406, 44278), (524, 34307), (676, 26593), (754, 23842), (812, 22139), (917, 19604), (1183, 15196), (1508, 11921), (1703, 10556), (1834, 9802), (2366, 7598), (2639, 6812), (3406, 5278), (3668, 4901), (3799, 4732)]