19257165

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16385715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 101, 171, 223, 285, 303, 505, 669, 855, 909, 1115, 1515, 1919, 2007, 3345, 4237, 4545, 5757, 9595, 10035, 12711, 17271, 21185, 22523, 28785, 38133, 63555, 67569, 86355, 112615, 190665, 202707, 337845, 427937, 1013535, 1283811, 2139685, 3851433, 6419055, 19257165]

約数ペア:

[(1, 19257165), (3, 6419055), (5, 3851433), (9, 2139685), (15, 1283811), (19, 1013535), (45, 427937), (57, 337845), (95, 202707), (101, 190665), (171, 112615), (223, 86355), (285, 67569), (303, 63555), (505, 38133), (669, 28785), (855, 22523), (909, 21185), (1115, 17271), (1515, 12711), (1919, 10035), (2007, 9595), (3345, 5757), (4237, 4545)]