18560290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22082270

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 41, 58, 70, 82, 145, 203, 205, 223, 287, 290, 406, 410, 446, 574, 1015, 1115, 1189, 1435, 1561, 2030, 2230, 2378, 2870, 3122, 5945, 6467, 7805, 8323, 9143, 11890, 12934, 15610, 16646, 18286, 32335, 41615, 45269, 45715, 64001, 64670, 83230, 90538, 91430, 128002, 226345, 265147, 320005, 452690, 530294, 640010, 1325735, 1856029, 2651470, 3712058, 9280145, 18560290]

約数ペア:

[(1, 18560290), (2, 9280145), (5, 3712058), (7, 2651470), (10, 1856029), (14, 1325735), (29, 640010), (35, 530294), (41, 452690), (58, 320005), (70, 265147), (82, 226345), (145, 128002), (203, 91430), (205, 90538), (223, 83230), (287, 64670), (290, 64001), (406, 45715), (410, 45269), (446, 41615), (574, 32335), (1015, 18286), (1115, 16646), (1189, 15610), (1435, 12934), (1561, 11890), (2030, 9143), (2230, 8323), (2378, 7805), (2870, 6467), (3122, 5945)]