18217962025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 24277821120

約数和(自身を除く): 6059859095

約数列:

[1, 5, 17, 25, 85, 137, 139, 425, 685, 695, 2251, 2329, 2363, 3425, 3475, 11255, 11645, 11815, 19043, 38267, 56275, 58225, 59075, 95215, 191335, 308387, 312889, 323731, 476075, 956675, 1541935, 1564445, 1618655, 5242579, 5319113, 7709675, 7822225, 8093275, 26212895, 26595565, 42865793, 131064475, 132977825, 214328965, 728718481, 1071644825, 3643592405, 18217962025]

約数ペア:

[(1, 18217962025), (5, 3643592405), (17, 1071644825), (25, 728718481), (85, 214328965), (137, 132977825), (139, 131064475), (425, 42865793), (685, 26595565), (695, 26212895), (2251, 8093275), (2329, 7822225), (2363, 7709675), (3425, 5319113), (3475, 5242579), (11255, 1618655), (11645, 1564445), (11815, 1541935), (19043, 956675), (38267, 476075), (56275, 323731), (58225, 312889), (59075, 308387), (95215, 191335)]