18989055

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14551}}^1$

素因数の和:14591

約数の個数: 24

約数和(自身を含む): 34051680

約数和(自身を除く): 15062625

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 14551, 43653, 72755, 130959, 218265, 421979, 654795, 1265937, 2109895, 3797811, 6329685, 18989055]

約数ペア:

[(1, 18989055), (3, 6329685), (5, 3797811), (9, 2109895), (15, 1265937), (29, 654795), (45, 421979), (87, 218265), (145, 130959), (261, 72755), (435, 43653), (1305, 14551)]