18648405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 36054720

約数和(自身を除く): 17406315

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1283, 1615, 2907, 3849, 4845, 6415, 11547, 14535, 19245, 21811, 24377, 57735, 65433, 73131, 109055, 121885, 196299, 219393, 327165, 365655, 414409, 981495, 1096965, 1243227, 2072045, 3729681, 6216135, 18648405]

約数ペア:

[(1, 18648405), (3, 6216135), (5, 3729681), (9, 2072045), (15, 1243227), (17, 1096965), (19, 981495), (45, 414409), (51, 365655), (57, 327165), (85, 219393), (95, 196299), (153, 121885), (171, 109055), (255, 73131), (285, 65433), (323, 57735), (765, 24377), (855, 21811), (969, 19245), (1283, 14535), (1615, 11547), (2907, 6415), (3849, 4845)]