18639045

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14849595

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1367, 1515, 2727, 4101, 4545, 6835, 12303, 13635, 20505, 36909, 61515, 138067, 184545, 414201, 690335, 1242603, 2071005, 3727809, 6213015, 18639045]

約数ペア:

[(1, 18639045), (3, 6213015), (5, 3727809), (9, 2071005), (15, 1242603), (27, 690335), (45, 414201), (101, 184545), (135, 138067), (303, 61515), (505, 36909), (909, 20505), (1367, 13635), (1515, 12303), (2727, 6835), (4101, 4545)]