19840310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 43352064

約数和(自身を除く): 23511754

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 223, 287, 310, 410, 434, 446, 574, 1085, 1115, 1271, 1435, 1561, 2170, 2230, 2542, 2870, 3122, 6355, 6913, 7805, 8897, 9143, 12710, 13826, 15610, 17794, 18286, 34565, 44485, 45715, 48391, 64001, 69130, 88970, 91430, 96782, 128002, 241955, 283433, 320005, 483910, 566866, 640010, 1417165, 1984031, 2834330, 3968062, 9920155, 19840310]

約数ペア:

[(1, 19840310), (2, 9920155), (5, 3968062), (7, 2834330), (10, 1984031), (14, 1417165), (31, 640010), (35, 566866), (41, 483910), (62, 320005), (70, 283433), (82, 241955), (155, 128002), (205, 96782), (217, 91430), (223, 88970), (287, 69130), (310, 64001), (410, 48391), (434, 45715), (446, 44485), (574, 34565), (1085, 18286), (1115, 17794), (1271, 15610), (1435, 13826), (1561, 12710), (2170, 9143), (2230, 8897), (2542, 7805), (2870, 6913), (3122, 6355)]