17864990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 39251304

約数和(自身を除く): 21386314

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 169, 286, 310, 338, 341, 403, 682, 715, 806, 845, 961, 1430, 1690, 1705, 1859, 1922, 2015, 3410, 3718, 4030, 4433, 4805, 5239, 8866, 9295, 9610, 10478, 10571, 12493, 18590, 21142, 22165, 24986, 26195, 44330, 52390, 52855, 57629, 62465, 105710, 115258, 124930, 137423, 162409, 274846, 288145, 324818, 576290, 687115, 812045, 1374230, 1624090, 1786499, 3572998, 8932495, 17864990]

約数ペア:

[(1, 17864990), (2, 8932495), (5, 3572998), (10, 1786499), (11, 1624090), (13, 1374230), (22, 812045), (26, 687115), (31, 576290), (55, 324818), (62, 288145), (65, 274846), (110, 162409), (130, 137423), (143, 124930), (155, 115258), (169, 105710), (286, 62465), (310, 57629), (338, 52855), (341, 52390), (403, 44330), (682, 26195), (715, 24986), (806, 22165), (845, 21142), (961, 18590), (1430, 12493), (1690, 10571), (1705, 10478), (1859, 9610), (1922, 9295), (2015, 8866), (3410, 5239), (3718, 4805), (4030, 4433)]