18683685

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34070400

約数和(自身を除く): 15386715

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 103, 139, 145, 261, 309, 417, 435, 515, 695, 927, 1251, 1305, 1545, 2085, 2987, 4031, 4635, 6255, 8961, 12093, 14317, 14935, 20155, 26883, 36279, 42951, 44805, 60465, 71585, 128853, 134415, 181395, 214755, 415193, 644265, 1245579, 2075965, 3736737, 6227895, 18683685]

約数ペア:

[(1, 18683685), (3, 6227895), (5, 3736737), (9, 2075965), (15, 1245579), (29, 644265), (45, 415193), (87, 214755), (103, 181395), (139, 134415), (145, 128853), (261, 71585), (309, 60465), (417, 44805), (435, 42951), (515, 36279), (695, 26883), (927, 20155), (1251, 14935), (1305, 14317), (1545, 12093), (2085, 8961), (2987, 6255), (4031, 4635)]