18902565

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4243}}^1$

素因数の和:4271

約数の個数: 40

約数和(自身を含む): 36973728

約数和(自身を除く): 18071163

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4243, 4455, 12729, 21215, 38187, 46673, 63645, 114561, 140019, 190935, 233365, 343683, 420057, 572805, 700095, 1260171, 1718415, 2100285, 3780513, 6300855, 18902565]

約数ペア:

[(1, 18902565), (3, 6300855), (5, 3780513), (9, 2100285), (11, 1718415), (15, 1260171), (27, 700095), (33, 572805), (45, 420057), (55, 343683), (81, 233365), (99, 190935), (135, 140019), (165, 114561), (297, 63645), (405, 46673), (495, 38187), (891, 21215), (1485, 12729), (4243, 4455)]