18924705

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 33995520

約数和(自身を除く): 15070815

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1361, 1545, 2781, 4083, 4635, 6805, 12249, 13905, 20415, 36747, 61245, 140183, 183735, 420549, 700915, 1261647, 2102745, 3784941, 6308235, 18924705]

約数ペア:

[(1, 18924705), (3, 6308235), (5, 3784941), (9, 2102745), (15, 1261647), (27, 700915), (45, 420549), (103, 183735), (135, 140183), (309, 61245), (515, 36747), (927, 20415), (1361, 13905), (1545, 12249), (2781, 6805), (4083, 4635)]