17954398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 36246528

約数和(自身を除く): 18292130

約数列:

[1, 2, 7, 11, 14, 22, 23, 37, 46, 74, 77, 137, 154, 161, 253, 259, 274, 322, 407, 506, 518, 814, 851, 959, 1507, 1702, 1771, 1918, 2849, 3014, 3151, 3542, 5069, 5698, 5957, 6302, 9361, 10138, 10549, 11914, 18722, 21098, 22057, 34661, 35483, 44114, 55759, 65527, 69322, 70966, 111518, 116587, 131054, 233174, 242627, 390313, 485254, 780626, 816109, 1282457, 1632218, 2564914, 8977199, 17954398]

約数ペア:

[(1, 17954398), (2, 8977199), (7, 2564914), (11, 1632218), (14, 1282457), (22, 816109), (23, 780626), (37, 485254), (46, 390313), (74, 242627), (77, 233174), (137, 131054), (154, 116587), (161, 111518), (253, 70966), (259, 69322), (274, 65527), (322, 55759), (407, 44114), (506, 35483), (518, 34661), (814, 22057), (851, 21098), (959, 18722), (1507, 11914), (1702, 10549), (1771, 10138), (1918, 9361), (2849, 6302), (3014, 5957), (3151, 5698), (3542, 5069)]