1900552995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11887}}^1$

素因数の和:11945

約数の個数: 96

約数和(自身を含む): 4005780480

約数和(自身を除く): 2105227485

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 165, 171, 187, 209, 255, 285, 323, 495, 561, 627, 765, 855, 935, 969, 1045, 1615, 1683, 1881, 2805, 2907, 3135, 3553, 4845, 8415, 9405, 10659, 11887, 14535, 17765, 31977, 35661, 53295, 59435, 106983, 130757, 159885, 178305, 202079, 225853, 392271, 534915, 606237, 653785, 677559, 1010395, 1129265, 1176813, 1818711, 1961355, 2032677, 2222869, 2484383, 3031185, 3387795, 3839501, 5884065, 6668607, 7453149, 9093555, 10163385, 11114345, 11518503, 12421915, 19197505, 20005821, 22359447, 33343035, 34555509, 37265745, 42234511, 57592515, 100029105, 111797235, 126703533, 172777545, 211172555, 380110599, 633517665, 1900552995]

約数ペア:

[(1, 1900552995), (3, 633517665), (5, 380110599), (9, 211172555), (11, 172777545), (15, 126703533), (17, 111797235), (19, 100029105), (33, 57592515), (45, 42234511), (51, 37265745), (55, 34555509), (57, 33343035), (85, 22359447), (95, 20005821), (99, 19197505), (153, 12421915), (165, 11518503), (171, 11114345), (187, 10163385), (209, 9093555), (255, 7453149), (285, 6668607), (323, 5884065), (495, 3839501), (561, 3387795), (627, 3031185), (765, 2484383), (855, 2222869), (935, 2032677), (969, 1961355), (1045, 1818711), (1615, 1176813), (1683, 1129265), (1881, 1010395), (2805, 677559), (2907, 653785), (3135, 606237), (3553, 534915), (4845, 392271), (8415, 225853), (9405, 202079), (10659, 178305), (11887, 159885), (14535, 130757), (17765, 106983), (31977, 59435), (35661, 53295)]